Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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ancient greece complete the crossword puzzle using words related to anc…
- Down 1: DEMOCRACY - Down 2: PHILOSOPHER - Down 5: SPARTA - Down 8: PERICLES - Down 6: HELLENISTIC - Down 7: AGORA - Down 8 (Poet): HOMER - Across 8: OLYMPICS - Across 9: SOCRATE…
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rashon signed up for a streaming music service that costs $12 per month…
Cost with 50 songs: $\$49.5$ Cost with $s$ songs: $\$12 + 0.75s$
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globalization means having ___. multinationals opening manufacturing fa…
C. standardized production of products that are sold throughout the world
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suppose a normal distribution has a mean of 26 and a standard deviation…
B. 20.3%
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find the standardized test statistic, t, to test the claim that $\\mu_1…
C. - 2.450
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which of these statements most clearly indicates a way out of poverty? …
B. A college graduate makes more than twice as much as a high school dropout.
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as part of a masters thesis project, a mathematics teacher is intereste…
A. Independent
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wayne is recording the number of hours he sleeps over different periods…
A. 5 hours per day
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question 2 of 10 in a normal distribution, what percentage of the data …
D. 99.7%
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question 10 of 10 in a randomly generated list of numbers from 0 to 8, …
A. \( \frac{1}{8} \)
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question 9 of 10 the following set of random numbers represents 20 simu…
D. 6
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question 8 of 10 a randomly generated list of numbers from 0 to 4 is be…
C. 60%
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question 7 of 10 suppose that a randomly generated list of numbers from…
D. 0, 1, 2, 3, 4, 5
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question 6 of 10 suppose the following set of random numbers is being u…
D. 860 583 785 814 010 122 337 198 621 549 034 076 796 495 978 078 433 330 333 153
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malo/a\ old\ fun\ bad, mean\ thin
The correct option is the green box with "bad, mean".
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question 5 of 10 which number of simulation trials would be likely to p…
C. 25
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question 4 of 10 pedro buys lunch at school every day. he always gets p…
B. 0.3
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read the excerpt from the odyssey. here are the means i thought would s…
D. like the mast of an enormously large ship (assuming the options are labeled A - D with D being this option; if the original options had different labels, adjust accordingly bas…
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question 3 of 10 the probability of rolling a 4 on a number cube is \\(…
D. 24
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y 28 24 20 16 12 8 4 new memberships 10 20 30 40 50 60 70 first-time cu…
Yes, the line of best fit can be used to make reasonable predictions because the data points show a strong linear association (they cluster closely around the line), indicating a …
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a disc jockey at a school dance has equal numbers of rock, country, and…
C. Number cube Let 1, 2 = rock Let 3, 4 = country Let 5, 6 = pop Roll cube three times. Repeat.
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add. 4.12 + 3.34
$7.46$
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section 3 family travel use the graph and the chart to answer the quest…
A. Dad's motion is represented by line A because line A has a downward slope, indicating he is coming back to his starting location.
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school bands the equation of the line of best fit is y = 0.677x + 1.77.…
Approximately 25 (or 25.47 if we keep more decimal places, but usually rounded to a reasonable whole number for the number of students)
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28. ethnic religions different from universalizing religions because: a…
D. Ethnic religions are closely tied with one ethnic group in a particular region. ### Question 29
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nicole is filling a tank. the graph shows the amount of water (in liter…
(a) 140 liters (b) The statement "As time increases, the amount of water in the tank increases" is correct. The rate of increase is 20 liters per minute.
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laissez - faire leadership by joseph cates (1) last year, pulaski high …
A leadership style where the leader is "hands - off" (laissez - faire), available for guidance but lets the team make choices. Requires high - motivated, collaborative team member…
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a 12-foot section of fence costs $300.00. what is the price per foot?
The price per foot is $25.00.
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question 10 of 10 two friends argue over who brushes their teeth more o…
C. Braxton. He has a 0.61 probability of brushing both times.
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you and a friend are playing a game by tossing two coins. if both coins…
A. Yes. You and your friend each have a $\frac{1}{4}$ probability of winning.
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q2 the table below shows the cost ($) of buying different numbers of no…
\( T = 2n \) (the option with \( T = 2n \))
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ethan rolls a 6-sided number cube. what is the probability that he gets…
A. \( \frac{1}{3} \)
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trevor drew lines of best fit for two scatter plots, as shown. two scat…
C. Both line A and line B are well - placed lines of best fit.
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question 7 of 10 a student has to take two quizzes tomorrow. he has onl…
B. Science, because the probability of getting all questions correct is 0.016, which is lower than for history (0.031).
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a water park manager reviews plans for a water slide. the expression 30…
the number of feet of elevation lost by the person from the initial height of 30 feet after \( x \) seconds on the water slide
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a number will be chosen at random from the set {8,10,11,13,22,27,36,42,…
\(\frac{2}{3}\)
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the data set represents the total number of people who bought bananas e…
First box plot (the one with the left - most whisker starting at 1, the box starting around 2, median around 7, upper quartile around 8, and right - most whisker at 12)
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the box plots show the data distributions for the number of text messag…
2
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select the correct answer. if the graphs of the linear equations in a s…
C. There are infinitely many solutions.
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answer the following questions using information from section a. 1. whe…
a. November 13, 2000
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multiply. use the cross - cancel strategy to simplify the problem. \\(\…
16
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select the correct answer. a daycare purchases two type of snacks, gran…
B. There are 8 snacks in one pack of granola bars and 12 snacks in one pack of fruit rolls.
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select the correct answer. a total of 22 dimes and nickels have a value…
B. \( d + n = 22 \) \( 0.1d + 0.05n = 1.9 \)
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multiply. use the cross - cancel strategy to simplify the problem. \\(\…
1
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which scatter plot show a positive relationship? graph a graph d graph …
Graph B
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guessing correlation 0.80 0.80 0.47 0.47 0.21 0.21 0.07 0.07 0.80 0.80 …
Top - Left: 0.07; Top - Right: 0.80; Bottom - Left: 0.47; Bottom - Right: 0.21
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which scatterplot most likely has a line of best fit represented by $y …
(Assuming the correct scatterplot is, for example, X. But since the actual scatterplots are not fully visible, but based on the line \( y = -2x + 1 \) (negative slope, steep, y-in…
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question 4 a scatterplot is shown below. scatterplot image one of the f…
(Assuming the correct graph is the one with positive slope, e.g., if options are A, B, C, and C has positive slope, then) C. [Graph with positive slope matching scatterplot trend]
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what was the function of samurai within japanese society? they focused …
They served as armed protectors of the feudal lords and their territories.
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mr. piper is driving peter, roddy, and scott home from school. all of t…
C. Put each person’s name on a separate piece of paper in a bag. Randomly draw the winning name. D. Roll a number cube. If it lands on 1 or 2, Peter wins. If it lands on 3 or 4, R…
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amber created a scatter plot and drew a line of best fit, as shown. wha…
$y=\frac{3}{8}x + 12$ (or $y = 0.375x + 12$)
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$\\frac{5}{6} + \\frac{1}{9}$ show your answer in simplest form. $\\fra…
18
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pequeño, pequeña easy uncomfortable small bad, mean
small
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which of the following is not a possible value for a probability? a. \\…
D. 1.001
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question 4 of 10 a t - shirt vendor is thinking about changing the numb…
C. Large
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select the correct answer. cindy took her five grandchildren to the mov…
A. 5 bags of popcorn, 6 boxes of candy
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question 3 of 10 a bag has 5 balls: 1 red (r), 1 green (g), 1 yellow (y…
C. {R, G, Y, B, O}
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learn order rational numbers to order rational numbers, follow these st…
\(-2\frac{1}{5}\), \(-2.1\), \(2\frac{1}{10}\), \(2.12\)
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question 2 of 10 anne is choosing a contractor. she has narrowed down h…
A. Contractor B. The probability that both conditions are met is 0.93.
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a student must be at least 15 years old to obtain a driver’s permit. op…
\( x \geq 15 \) (the option with \( x \geq 15 \))
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which phrase from paragraph 9 provides context for the meaning of the w…
"...keeping pesky bug populations in check..." (the third option)
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section 1: economics lesson 3: supply and demand practice you own a san…
Elastic
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a walk (or row) is miles (per hour) in still water. the river (or the w…
3 mph
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question 10 of 10 if a population consisted of 100,000 people, a sample…
D. 10,000
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16. how does the speaker’s repetition of the phrase “i imagine” in line…
B. By contrasting the adults’ focus on human accomplishment with the speaker’s ideas about the relationship between humans and the moon
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7/20 2nd attempt yellow cab taxi charges a $1.75 flat rate in addition …
\( 1.75 + 0.65m \leq 10 \) (the fourth option, assuming the options are presented in the order shown: 1. \( 1.75 + 0.65m \geq 10 \), 2. \( 1.75m + 0.65 \leq 10 \), 3. \( 1.75m + 0…
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the average heights of four samples taken from a population of students…
C. 57
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pause and reflect describe some examples of where you might have to com…
- Shopping: Comparing prices (e.g., $19.99 vs. $20.50) or unit prices (e.g., $3.99/12 oz vs. $4.50/15 oz). - Cooking: Adjusting recipes (e.g., $\frac{1}{2}$ cup vs. $\frac{3}{4}$ …
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if a sample consists of the following data values, what is the sample m…
C. 51
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which sentence uses figurative language to convey a mood of fear or dre…
C. The lake weeds clutched my legs, almost dragging me down to their murky deathtrap.
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which is an example of an experiment? a. interviewing college students …
D. Testing the effectiveness of a new hair product by allowing one group to use it and comparing results against a group that doesn't use it
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select the correct answer. the owner of a fruit stand gathered data for…
Yes, Plot A indicates a positive correlation.
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of linear equations and inequalities sean decides to start a small busi…
The least number of games Sean needs to sell to make a profit is 9. The break - even point is at \(x=\frac{60}{7}\approx8.57\), \(y=\frac{5100}{7}\approx728.57\), and the least nu…
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if there are 65 pepperonis on 3 large pizzas, how many pepperonis are o…
195
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on the blueprint of a house, 24 millimeters represents 5 meters. the le…
\( 6.25 \)
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13. read line 6 from the poem the apollo 11 moon landing. that it admon…
sternly
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(01.04 mc) i want to change my diet so i can be healthier within the ne…
D. Make it measurable by stating what it means to be healthier
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question 5 of 10 suppose a population contains 20,000 people. all else …
D. 2000
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jeff carried his father’s illness and flew to visit his brother 900 mil…
L'équation correcte est celle qui représente \( \frac{900}{x + 20} + \frac{900}{x - 20} = 3,5 \) (selon les options, par exemple si une option est écrite comme \( \frac{900}{x + 2…
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a garden hose fills a 3 gallon container in 2 minutes. how long would i…
10
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question 4 of 10 the estimate obtained from a sample of which of the fo…
A. 300
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frank runs 5 miles in 38 minutes. at the same rate, how many miles woul…
7.5
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if there are 13 successful outcomes in a sample with a size of 25, what…
A. 0.52
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question 4 what is the difference between factual and anecdotal evidenc…
D. Facts are single, verifiable ideas, while anecdotes are stories used as examples. (Assuming the last option is D; if the options were labeled differently, adjust the identifier…
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question 1 of 10 if a population is _______________, a sample of the po…
A. the entire school faculty; math teachers
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talk about it! how can you compare the numbers without graphing them on…
We can compare numbers by analyzing their place values (for integers/decimals), using the sign (positive > negative), or subtracting them (if \(a - b>0\), \(a > b\); \(a - b = 0\)…
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select the correct answer. what is the strongest relationship you can i…
A. causation
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after years of taking exclusively academic electives, rehana finally re…
3. They allow the reader to understand the effect of the teacher's instructions on Rehana.
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to order from the kids men a person must be no more than 12 years old. …
\( x \leq 12 \) (the option with \( x \leq 12 \))
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this renewable energy project promises to provide numerous benefits to …
3. The pun on sense helps call attention to the economic soundness of the project.
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select the correct answer. sarah wants to print copies of her artwork. …
B is incorrect. The correct answer is A. \(\frac{1}{5}\)
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yellow cab taxi charges a $1.75 flat rate in addition to $0.65 per mile…
\( 1.75 + 0.65m \leq 10 \) (the fourth option: \( 1.75 + 0.65m \leq 10 \))
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above means ○ deep ○ interior ○ superior ○ superficial
C. Superior (assuming the options are labeled as A. Deep, B. Interior, C. Superior, D. Superficial; if the original option labels are different, adjust accordingly, but based on t…
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review the paragraph from your groups draft research text: \air polluti…
C. Additionally
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the concentration of a saline solution is given by the function c(x) = …
1.86L (en supposant que les options incluent 1.86L)
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15. zulerma has a pair of dice. she tossed the pair and wanted to know …
The option with \( \boldsymbol{\frac{1}{4}} \) (the last option, e.g., if the last option is labeled with 1/4, then that's the answer).
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question 1-6 what interpretation may not be made from a line of best fi…
A. A CHANGE IN ONE VARIABLE CAUSES A CHANGE TO ANOTHER VARIABLE.
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what is the ratio of blue headphones to all headphones? ? : enter the n…
7
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question 17 2 pts chinese emperor qin shihuangdi was a legalist leader …
A. He used strict, brutal policies to control his people ### Question 18
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14. now he has to find the median to the given set of fractions: 1/4, 1…
C. 5/12 (assuming the third option is labeled C, but based on the options, the correct one is the option with 5/12)