Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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question find the median and mean of the data set below: 48, 26, 6, 26 …
Median = 26 Mean = 26.5
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chapter 2 | number sense: basic computational skills and benchmarks f. …
ii. 80.5 ### g.
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memoir: comic: yet these men, to the number of thirty or more, had, as …
C. Both are meant to show survivors rallied to help each other.
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question find the median and mean of the data set below: 21, 26, 35, 18…
Median = 23.5 Mean = 25
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some high school students wore fitness trackers during gym class. their…
11
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sam wanted to see which fruit is most popular among his fellow 6th grad…
Peaches
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the box plot below represents some data set. approximately what percent…
25
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a teacher put all her students quiz scores up on the representation bel…
99
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when the data is quantitative, line graphs, histograms, stem-and-leaf p…
### Constructing the Stem - and - Leaf Plot First, we list out all the test scores: 36, 54, 55, 55, 56, 56, 61, 62, 64, 64, 68, 70, 73, 74, 76, 76, 77, 77, 77, 77, 78, 80, 83, 85,…
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a teacher put all her students quiz scores up on the representation bel…
40
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question a teacher put all her students quiz scores up on the dot plot …
40
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synonyms 1. a house built on a promontory 2. an inert stone 3. unravel …
s (for the first few): #### Synonyms (1): Assuming the unit has "villa" (or correct word from unit) - but since the unit's vocabulary is not given, but as an example, if the unit …
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question the graph below represents the result of a survey in which a n…
6
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sorting stress directions: each numbered statement below describes a st…
positive ### 2. A friend offering you a beer at a party.
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5 the list shows the number of sandwiches that were sold at a deli on e…
B 700, because \( 200 + 200 + 300 = 700 \)
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sorting stress directions: each numbered statement below describes a st…
positive ### 2. A friend offering you a beer at a party.
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7. identify repeated reasoning the table shows statistics about the stu…
\(0.0\overline{6}\) (or approximately \(0.067\) if rounded, but the exact repeating decimal is \(0.0\overline{6}\)) ### Part b
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read the sentence below and identify an antonym for the word precise. \…
D. vague
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14. no man is an island —— john donne (love ...) no man is an island, e…
s (Key Parts): 1.1: (a) continent; (b) continent; (c) affects 1.2: No man is isolated; all are part of humankind, connected. 1.3 (a): Metaphor (clod = person, continent = humankin…
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9. a survey was given to people who owned a certain type of car. what p…
55%
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wayne attended his town’s annual worm charming competition. contestants…
A. A total of 14 people entered the contest. B. More than half of the contestants used the tapping technique. C. Most contestants who used the raking technique got 5 - 10 worms. E…
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mary kept track of the milkshakes she made today. milkshakes made regul…
| Milkshakes made | Regular | Malted | Total | |-----------------|---------|--------|-------| | Chocolate | 76% | 24% | 100% | | Strawberry | 35% | 65% | 100% |
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read the story. seth adopts 4 baby chickens. there is a 50% chance that…
Create a deck of 50 cards, each with a different number from 1 to 50. Pick a card from the deck, and then return it to the deck, 4 times. Each time an even number appears, it repr…
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1.1.2 refer to line 1. explain what the speaker means by stating that n…
C - everyone and everything in the world is connected as part of a larger whole.
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question 18 of 20 what was the dawes act in 1887 meant to do? a. stop w…
C. Destroy traditional Native American life
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which graph shows the line of best fit for the data?
The top - right graph (with the red line starting at (0,18) and ending near (15,0), with data points balanced around it) shows the line of best fit.
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every day in the united states, millions of customers eat fast food. th…
Since the problem is not clearly stated (e.g., what calculation or analysis is needed regarding the fast - food data), we can't provide a solution. Please clarify the question, su…
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each of these relationships reflects a correlation. which relationship …
Hosting more dinner parties is associated with vacuuming more often.
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lamar goes for a bike ride every day. for the last two weeks, he tracke…
Approximately 40 minutes (or a value in the range of 35 - 45 minutes, depending on the trend estimation. A more precise visual estimate from the scatter plot's trend line would su…
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a factory robot recently examined some bulbs, of which 12 were flawed a…
19
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17. what does balance mean in sources? a. publishing equal positive and…
d. Presenting multiple viewpoints fairly
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part 2: biggie size those fries.... or maybe not!!! | | small fries (ca…
### Question 1: Writing a Statistical Question A statistical question should involve variability (asking about a group or distribution). Let's use the data on fry calories across …
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introduction types of data displays you know many ways to graph and ana…
To create the horizontal bar graph and dot plot for the students' music preferences data: ### Horizontal Bar Graph (Left) 1. **Axes Setup**: The vertical axis lists the music genr…
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the optimal replenishment level without any safety stock is computed by…
For the first "Select" (for \( d \)): average demand per time period
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question 4 of 5 cartoon with text \votes for women means cleaner politi…
D. Women's suffrage
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8. what indicates whether poll results reflect a real trend rather than…
c. Statistical significance
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which point on the number line shows the position of \\(\\sqrt{56}\\) ?…
# Explanation: ## Step1: Find perfect squares around 56 We know that $7^2 = 49$ and $8^2 = 64$. So, $49<56<64$, which means $\sqrt{49}<\sqrt{56}<\sqrt{64}$, so $7 < \sqrt{56}<8$. …
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introduction types of data displays you know many ways to graph and ana…
To solve the problem of creating the horizontal bar graph and dot plot for the students' music preferences, we follow these steps: ### Creating the Horizontal Bar Graph #### Step …
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the data set represents wait times (in minutes) for various services at…
Wait times between \(\boldsymbol{4}\) minutes and \(\boldsymbol{17}\) minutes are between the 25th and 75th percentiles.
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box plots organize data in order to see ____ this example shows a box a…
### Filling in the Blanks (Box Plots and Data Organization) #### 1. Box plots organize data in order to see **patterns/distributions** (e.g., spread, median, quartiles). #### 2. T…
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what does \solution to a system of equations\ mean? a) it’s the point w…
b. It's the point that solves both equations at the same time ### Question 2 (Solving System by Substitution)
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the data set represents wait times (in minutes) for various services at…
# Explanation: ## Step1: Organize the data First, we need to list out all the wait times and sort them in ascending order. Let's list the data: 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4,…
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the annual profits for a company are given in the following table, wher…
The linear regression equation is \(y = 12.70x + 47.40\) (rounded to nearest hundredth), and the projected profit for 2021 is \(\boxed{200}\) (in thousands of dollars).
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the federal reserve system publishes weekly figures of m2 money supply.…
A. The bar chart is improperly truncated because the vertical axis, which should start at 0, starts at 13.6 instead. ### Part (b)
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a smooth curve that represents a distribution is provided use this curv…
unimodal ### Part b
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question 1 when two graphs are parallel, what does this mean about thei…
A. The have no solution ### Question 2
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identify the distribution shapes that are symmetric. select all that ap…
A. (the distribution with two peaks and symmetric), D. (bell - shaped symmetric), G. (symmetric histogram), H. (symmetric histogram)
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function notation when a function can be written as an equation, the sy…
s: - \( f(-2) = \boldsymbol{-7} \) - \( f(7) = \boldsymbol{11} \) - \( f(-4) = \boldsymbol{-11} \) - \( k(0) = \boldsymbol{1} \) - \( k(-1) = \boldsymbol{8} \) - \( k(5) = \boldsy…
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a pediatrician tested the cholesterol levels of several young patients.…
15% ### Part b
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construct a stem-and-leaf diagram for the accompanying data, using two …
| Stem | Leaf | |------|------| | 2 | 1 2 3 | | 2 | 9 | | 3 | 0 0 1 1 3 4 | | 3 | 5 6 7 8 9 9 9 | | 4 | 0 0 | | 4 | 9 |
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while creating a pie chart for a collection of data, the category execu…
\(61\) degrees
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the annual profits for a company are given in the following table, wher…
The linear regression equation is \(y = 16.7x + 144.2\) and the projected profit for 2017 is 328 (in thousands of dollars).
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observing that the proportion of blue candies in his bowl appeared to b…
D ### Part (c)
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brooke found some crayons in the art room. she measured the length of e…
3
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102. healthy fast food? here is a dotplot of the amount of fat (to the …
On average, the fat content of each hamburger in the sample deviates from the mean fat content of \( 22.83 \) grams by approximately \( 9.06 \) grams. ### Part (b)
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observing that the proportion of blue candies in his bowl appeared to b…
(for part a): | Color | Frequency | Relative Frequency | |---------|-----------|--------------------| | Brown | 152 | 0.297 | | Yellow | 119 | 0.232 | | Red | 103 | 0.201 | | Oran…
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which scatter plot shows a negative linear association in the data?
The top - left scatter plot (the first one among the four given scatter plots) shows a negative linear association.
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task 2. comparing measures of central tendency the table shows some sta…
s: a. Rebels; their mean ($37.1$) > Ospreys' mean ($32.9$) b. Ospreys; their median ($34$) > Rebels' median ($31.5$) c. Rebels; higher mean shows better average performance.
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observing that the proportion of blue candies in his bowl appeared to b…
D ### Part (c)
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miranda will spin this spinner twice. what is the probability that it l…
$\frac{3}{25}$ (corresponding to the option with $\frac{3}{25}$)
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for her science project, liz recorded the high temperature each day for…
58
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1. distinguish determine whether the passage shows logical reasoning or…
The passage shows a logical fallacy (slippery slope), as it claims a soda ban will lead to excessive government control over daily life without valid causal links. ### 2. (a) Iden…
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what is a frequency distribution of qualitative data and why is it usef…
C. It is a listing of the distinct values and their frequencies. It is useful because it provides a table of the values of the observations and how often they occur.
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question 14 (multiple choice worth 2 points) (box plots mc) the box plo…
A. The lower quartile (Q1), and it is 75
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a sample of five players on the runs batted in (rbi) leaderboards durin…
- Player: Qualitative - Team: Qualitative - Position: Qualitative - RBI: Quantitative, Discrete - Weight: Quantitative, Continuous
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put the events in order of increasing probability. p = 0 you flip a qua…
1. You pull an orange marble from a bag of all yellow marbles. 2. You roll a 6 - sided die and it lands on 5. 3. You flip a quarter and it lands on tails. 4. You roll a 6 - sided …
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question 10 of 10 the building of cotton mills in the south meant decre…
A. dependence of the South on the North.
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construct a stem-and-leaf diagram for the accompanying data, using two …
| Stem | Leaf (0 - 4) | Leaf (5 - 9) | |------|--------------|--------------| | 2 | 1, 2, 3 | 8 | | 3 | 0, 0, 1, 1, 3, 4 | 5, 6, 7, 8, 9, 9, 9 | | 4 | 0, 0 | 9 |
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the data set represents wait times (in minutes) for various services at…
B. About 50% of wait times are less than this wait time.
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september 8 pledge of allegiance on september 8, 1892, the pledge of al…
Francis Bellamy ### Question 2: What event does the writing of the Pledge of Allegiance mark?
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a quantitative data set has been provided in the table. create a dotplo…
B. (The dotplot with 30:1, 31:1, 32:1, 33:4, 34:1, 35:2, 36:2, 37:2, 38:1 dots)
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september 8 pledge of allegiance on september 8, 1892, the pledge of al…
Francis Bellamy ### Question 2 (Facts: What event does the writing of the Pledge of Allegiance mark?)
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coach middleton measured the height of each player on the middle school…
57
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data is gathered on the number of pairs of shoes that a person owns fro…
C. Cutpoint grouping ### Part (b)
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presented below is a \data scenario.\ decide which type of grouping (si…
continuous and there are a large number of distinct decimal values.
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question 9 (multiple choice worth 2 points) (histograms and line plots …
D. The data has a possible range of 24, which is a wide spread. This might mean that there is a difference of around 24 water - skiing trips between the students.
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presented below is a \data scenario.\ decide which type of grouping (si…
Cutpoint grouping is probably the best because the data are continuous (or have a large number of possible values in an interval, suitable for cutpoint - based class definitions).
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presented below is a \data scenario.\ decide which type of grouping (si…
discrete and there are a small number of distinct values.
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presented below is a \data scenario.\ decide which type of grouping (si…
Single - value grouping is probably the best because the data (number of assigned books) are discrete and take distinct whole - number values.
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using other data representations algebra 1 unit 1 supplemental lesson 1…
### Part a: Original Data Set (23, 18, 28, 16, 19, 14, 22, 23, 24) #### Step 1: Find the Mean First, sum all the numbers: \(23 + 18 + 28 + 16 + 19 + 14 + 22 + 23 + 24\) \(= (23+18…
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among a group of 341 students, only 41 of the students are enrolled in …
0.120
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the data set represents wait times (in minutes) for various services at…
# Explanation: ## Step1: Count the number of data points First, we need to count how many data points there are. Let's list out the data: 27, 4, 8, 4, 3, 26, 18, 21, 1, 3, 3, 5, 5…
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a sample of students is asked about the color of their dream car. 13 st…
\(0.23\) ### Part b - Horizontal Axis
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the data set below represents the ages of 30 executives. which ages are…
57, 58, 61, 61, 65, 66
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while creating a pie chart for a collection of data, the category execu…
61
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use the percentiles flow chart interactive to answer the following ques…
C. The IQ score that is midway between the 70th and 71st scores in the sorted list
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below are 36 sorted ages of an acting award winner. find ( p_{80} ) usi…
\( P_{80} = 66 \)
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below are 36 sorted ages of an acting award winner. find p 80 using the…
# Explanation: ## Step1: Find the position of \( P_{80} \) The formula for the position of the \( p \)-th percentile is \( i = \frac{p}{100} \times n \), where \( n \) is the numb…
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2. based on the context of the passage, the word \tumultuous\ most clos…
c) Full of chaos and disorder ### Question 3
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use the accompanying radiation levels \\(\\left(\\frac{\\text{w}}{\\tex…
\( 0.89 \)
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94. mean salary? last year a small accounting firm paid each of its fiv…
s #### (a) - Mean salary: \(\$70,000\) - Number of employees earning less than mean: \(7\) - Median salary: \(\$32,000\) #### (b) An unethical recruiter could state "The mean sala…
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hunger stole upon me so slowly that at first i was not aware of what hu…
The direct quotations are: "Mama, I'm hungry," "Jump up and catch a kungry," "What's a kungry?", "Is a wordplay or a joke.", "It's what little boys eat when they get hungry," "Wha…
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which of the following are two main ideas from the article? 1. mulberry…
B. 1 and 4 ### Second Question (Important Summary Detail)
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question 5 of 10 read the argument below: my cousin’s school just chang…
D. Hasty generalization
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use the accompanying radiation levels \\(\\left(\\frac{\\text{w}}{\\tex…
To find the first quartile \( Q_1 \) for the given data set of 50 values, we first need to sort the data (though it appears partially sorted here, we assume full sorting). For \( …
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use the accompanying radiation levels \\(\\left(\\text{in } \\frac{\\te…
To find the 70th percentile (\(P_{70}\)) for the given data set of 50 values: 1. **Order the data** (already partially ordered, but confirm full sorting). 2. **Calculate the index…
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look back at the number of deaths estimated that came from the mongol c…
We should view these human deaths as the consequence of Genghis Khan being a bloodthirsty tyrant rather than a natural consequence of empire building. The Mongol conquests under G…
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question 9 · 1 point productive efficiency means that starting from a p…
to increase production of one good, we must decrease production of another
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vocabulary boost b read the sentences. then match the words to their de…
### Part B: Match words to definitions 1. **Sentence 1**: "When I got to the classroom, my friends were already there, waiting for me." - The word "already" means "before now; by …
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question 5 of 5 why was money created? to reduce the costs of making tr…
A. To reduce the costs of making transactions in the economy.