Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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a researcher randomly selects 95 high - school swimmers and asks them w…
$P(F|B) = 0.51$; given that the student prefers brand B, there is a 0.51 probability that their strongest stroke is freestyle.
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a contractor claims that she finishes a job on - time 90% of the time. …
The dotplot does not provide convincing evidence that her true, on - time completion rate is less than 90% because 7 or fewer on - time completions happened 19% of the time in the…
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2. the number of raisins in a cereal with a name brand and the generic …
For the cereal problem: a) Brand - name cereal b) Brand - name cereal c) Generic cereal For the test - time problem: a) Lin b) Lin's test - finishing times are more consistent.
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order the dot plots from least to greatest standard deviation. b, c, a,…
B, C, A, D
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a study reported that about half of high school seniors study for upcom…
Yes, more than half of the simulated results are over 15.
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13. (05.03 mc) read the sentence. answer the question that follows. the…
B. Delicious
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name: date: 9/12 block 3e lesson 9: standard deviation continued do now…
a) Forest B has a higher standard deviation. b) It means the tree heights in forest B vary more widely from the average tree height in forest B. c) Forest A has more consistent tr…
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what is the standard deviation for the data given: {12, 13, 29, 18, 61,…
15.87
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find the mean of the given data 8, 7.5, 9, 6, 13
$8.5$
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given a variance of 64, what is the standard - deviation? 0 4096 6.8 8
8
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before you can begin calculating the variance, you must first: find the…
find the mean
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if the standard deviation of a data set is 4, what is the variance? 12/…
16
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what does this symbol represent? sigma variance standard deviation mean…
Standard Deviation
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how do you calculate the standard deviation? take the square root of th…
Take the square root of the variance.
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how do you calculate the standard deviation? 9/13 divide the variance b…
Take the square root of the variance.
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four data sets are shown below: set 1: {10, 19, 38, 50, 51} set 2: {5, …
Set 1
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ervin bowled 7 games last weekend. his scores are: 155, 165, 138, 172, …
22.61
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3. (04.02 mc) read the excerpt from anna howard shaws the fundamental p…
The central idea is the vision of a government where the people are the supreme power, embodying the profoundest measures of freedom and justice, which inspired the writing of the…
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what is the variance if the standard deviation is 1.63? 2.66 3.26 0.816…
2.66
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7. draw a line of fit for the data. then write an equation of the line …
The equation of the line of fit is $y=-x + 40$
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how is variance related to standard deviation? variance is the square o…
Variance is the square of standard deviation
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what is the standard deviation of the numbers 4, 5, and 6?
0.816
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what is the mean of the numbers 4, 5, and 6?
5
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is there a relationship between the protein content and the cost of del…
A. Positive B. There is a gap between the data point for Veggie and others B. Vegetables are low in protein relative to meat and poultry Let's assume using software like Excel's C…
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what is the standard deviation of the numbers 3, 5, and 7? 0.816 1.63 2…
$1.63$
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what is the mean of the numbers 3, 5, and 7? 6 4 7 5
5
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what is the first step in calculating the standard deviation for a set …
Find the mean
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mr green, mr green, dont you mean the mongol empire? oh, me from the pa…
1. Akbar and Aurangzeb 2. Roughly 200 years from the early 16th to early 18th centuries, technically until after 1857 3. Muslims who created an empire in India; Babur, the founder…
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7. draw a line of fit for the data. then write an equation of the line …
$y=-x + 40$
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which set of numbers is more spread out: 4, 5, 6 or 3, 5, 7? 4, 5, 6 ca…
3, 5, 7
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when calculating the sample standard deviation, what is the divisor in …
B. $n - 1$
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what symbol is used to represent the population standard deviation? mu …
Sigma
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use the data set to the right to answer the following questions a. sket…
b. \((4,2)\) c. The \(y\) value of \(2\) would have to change to \(15\)
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for a table of 32 nations, consider the following correlations. complet…
F. Internet users and Broadband subscribers
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which sentence most effectively helps readers envision a scene? the rea…
"If you are sitting in the gallery you will have a clear view of the stage as it projects out from the far side of the round enclosure."
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what should a reader consider when tracing chronological text structure…
- the meaning behind the events - the causal relationships between events - the author's purpose in describing the events
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food is valuable in elizabethan england, far more so than in the modern…
Transportation was difficult in Elizabethan England.
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the accompanying table contains data on the number of individuals with …
(The actual value of $r$ depends on the calculations of the sums from the data. Without performing the actual calculations on the data in the table, we cannot give a specific nume…
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the accompanying table contains data on the number of individuals with …
a. C. For countries with GDP less than $5000$ billion, there is a clear trend in that countries with larger GDP have a larger number of broadband subscribers b. $(8000,176000000)$…
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introductory survey project - school - statistics - room 404 1. choose …
The mean number of days people prefer to do outdoor activities in a week is approximately 4.67.
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4. what were the houses of the average person in ancient egypt made fro…
4. Mud - brick. 5. Peasant class. 6. The pharaoh. 7. Believing in multiple gods. 8. They were thought to control natural phenomena, human affairs, and the after - life; rituals an…
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which sentence from the article best supports the idea that its natural…
B. That means you go through sudden growth spurts, and your coordination doesn't always have time to catch up with the rest of you.
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name skylar grant date 10 - 2 - 25 magic number: the magic number is in…
Magic Number - Expanded form: \(3000 + 400+40 + 6\), Words: three thousand four hundred forty - six; Coins: 50 cents, 15 cents, 27 cents; Sentences: 1. The dog barked at the cat. …
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name skylar grant date 10 - 2 - 25 magic number: the magic number is in…
# Explanation: ## Step1: Analyze Magic Number The number 3[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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1. match each situation to the number that best models it. zero positiv…
Depositing money into the bank: Positive Integer Standing at Sea Level: Zero Paying for school supplies: Negative Integer Mean of student ages: 12.25
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impeachment means to charge a government official in the house so that …
The official is tried in the Senate.
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use this information to answer questions 2 & 3. the following are the a…
Median: 12 Mode: 10 Range: 6
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most roller coasters get their speed by dropping down a steep initial i…
B. There is a strong, positive, linear association between drop and speed; the greater the coaster's initial drop, the higher the top speed.
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use this information to answer questions 2 & 3. the following are the a…
$12.25$
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question 5 of 5 > the distribution of heights in a population of women …
The mean height $\mu = 65$ inches and the standard deviation $\sigma = 3$ inches.
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what does it mean to find the inverse of a function? the x’s and y’s ar…
the x's and y's are switched
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here are several scatterplots. the calculated correlations are 0.000, -…
(a) matches 0.000 (b) matches - 0.977 (c) matches 0.777 (d) matches - 0.487
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key terms. match the following terms with their definitions. 1. politic…
1. E. Groups of people who share similar beliefs about how the government should be run. 2. G. Selecting candidates who will run for political office and announcing their intent t…
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7) a line of best fit is drawn through data points displayed in a scatt…
7) c) The line should go through the "middle" of the data. 8) a) A line would not be appropriate because there is a negative association (and more importantly, the points follow a…
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3) what would be an example of bivariate data with a positive associati…
3) c. Amount of electricity used; amount owed on electric bill 4) a. As one variable increases, the other variable decreases 5) c. For linear associations the line of best fit mus…
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2) which scatter plot shows data with no correlation? select all that a…
A. Scatter - plot a B. Scatter - plot b C. Scatter - plot c D. Scatter - plot d
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1) which of the following best describes the relationship between the v…
1) b) Linear association 2) a) b) c) d)
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...for we must consider that we shall be as a city upon a hill, the eye…
John Winthrop meant the Puritan - led Massachusetts Bay Colony was to be a model Christian community for others to observe. This idea shaped Puritan society by promoting unity and…
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complete the sentence with the word that best fits the overall meaning …
confer
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question 21 (2 points) which of the following is a key kpi for o&m perf…
B. Mean Time Between Failures (MTBF)
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question 25 in the term postprandial, what does the suffix -prandial me…
A. meal
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complete the sentence with the word that best fits the overall meaning …
misrepresentation
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complete the sentence with the word that best fits the overall meaning …
secluded
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analyzing maslows hierarchy of needs: scenarios read each of the follow…
Scenario 1: Physiological need (due to hunger affecting concentration). Scenario 2: Esteem need (desire for recognition in performance). Scenario 3: Safety need (concern over fina…
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the people who responded to a survey reported that they had either brow…
$\frac{13}{25}$
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which scenario depicts two independent events? the school play opens to…
The school play opens tonight and it is raining.
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question 3 of 5 paying yourself first, sticking to a budget, pacing you…
B. ways to balance expenses and savings
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a bag contains eleven equally sized marbles, which are numbered. two ma…
$\frac{24}{121}$
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a bag contains eleven equally sized marbles, which are numbered. two ma…
# Explanation: ## Step1: Calculate probability of first - marble being shaded There are 5 shaded marbles out of 11 marbles. So the probability of choosing a shaded marble first, $…
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the hawaiian language has 12 letters: five vowels and seven consonants.…
$\frac{25}{144}$
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when a softball player gets a hit, it can be a single, double, triple, …
C. 20 percent
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all freshmen, sophomores, juniors, and seniors attended a high school a…
$\frac{11}{320}$
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use the venn diagram to calculate probabilities. which probability is c…
$P(A)=\frac{3}{5}$
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if you witness cyberbullying, what should you do? a. ignore it because …
D. Report it and support the victim.
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“joint stock companies” were organizations meant to establish colonies …
A. Britain
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if events a and b are independent, and the probability that event a occ…
The probability that event A occurs, given that event B occurs, is 83%. So the correct option is: The probability that event A occurs, given that event B occurs, is 83%.
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if events a and b are independent, what must be true? p(a|b)=p(b) p(a|b…
# Ex[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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a study found that 23% of the cars manufactured last year were suvs, 13…
15%
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question 3 2 pts the meaning associated with a particular color is the …
Question 3: B. False Question 4: A. True
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what is the difference between relative frequency and cumulative freque…
# Brief[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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question 3 2 pts the meaning associated with a particular color is the …
# Brief[SSE Completed, Client Connection Error][SSE Completed, Client Connection Error][LLM SSE On Failure]
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a hat contains slips of paper with the names of the 26 other students i…
$\frac{24}{65}$
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what is the difference between class limits and class boundaries? choos…
A. Class limits are the least and greatest numbers that can belong to the class. Class boundaries are the numbers that separate classes without forming gaps between them. For inte…
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true or false 1 point gestalt principles explain how perception organiz…
True
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why should the number of classes in a frequency distribution be between…
A. If the number of classes in a frequency distribution is not between 5 and 20, it may be difficult to detect any patterns.
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pre - assessment question 5 of 5 avoiding using credit cards for daily …
living within your means
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pre - assessment question 3 of 5 smart goals are ____________. self - r…
D. Specific, measurable, attainable, realistic, and time - based
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pre - assessment question 2 of 5 what does it mean to pay yourself firs…
Deposit money into savings first
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read the following selection from the section \treaty did more harm tha…
B. damage
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helped lead to world war ii. which word could replace \harm\ without ch…
B. damage
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according to the bureau of justice statistics, in 2016, the percentage …
1. A. 55 2. A. Inscrutable
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what does elizabeth most likely mean in the following passage (paragrap…
B. She is not sure if she remembers the exact details of everything that happened, but she can recall the way that she felt when she was growing up.
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instructions: read the question carefully and select the best answer. w…
A. The mature part of Elizabeth experiences remorse and shame.
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a kids pool had a small opening through which water sometimes leaked ou…
a. It is increasing during the time interval \(4 < x<7\) hours. d. \((14,0)\); the time it takes for the bird to reach the ground.
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the probability for event a is 0.3, the probability for event b is 0.5,…
No, because \(P(A)\times P(B) eq P(A\cap B)\)
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8. middle school values researchers carried out a survey of fourth-, fi…
a. \(\frac{234}{335}\approx0.7\) b. \(\frac{101}{335}\approx0.3\) c. Symbolic form: \(B\cap E\), Probability: \(\frac{1}{36}\) d. Two - way table: | | \(E\) (Disk with number 8) |…
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a bag contains the following fourteen marbles. deepak randomly chooses …
$P(\text{green})=\frac{5}{14}$ $P(\text{red})=\frac{1}{7}$ $P(\text{green and red})=\frac{5}{98}$
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question 5 explain the meaning of 2/10 n/30.
The notation 2/10 n/30 means that a 2% discount is offered if the invoice is paid within 10 days, and the full (net) amount is due within 30 days.
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in regards to religion, what is the meaning of the excerpt? people do n…
C. Citizens cannot be blocked from a political position based on religion
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which scenario depicts two independent events? a teacher is calling on …
The girls' basketball team is playing against the boys' basketball team. The coach chooses a captain for the girls' team and then chooses a captain for the boys' team.