AnswersConcepts in Probability and Statistics ABox Plots

Box Plots — Cumulative exam Answers

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There are 5 customers currently present in a coffee shop. Three of the customers are waiting in line at the front register. How many different lines of customers are possible?

6
6
1
10
6
60
1
120
22
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Ariana, Boris, Cecile, and Diego are students in the service club. Three of the four students will be chosen to attend a conference.Which choice represents the sample space, S, for this event?

A
S = {ABC, ABD, ACD, BCD}
B
S = {ABC, BCA, CDA, DAC}
C
S = {ABC, ABD, BAC, BDA, ACD, ADC, BCD, BDC}
D
S = {ABC, ABD, ACD, BCA, BCD, BDC, CAB, CBD, DAC, DBC}
23

Maria made a histogram to represent her jogging miles.The height of the bars in the histogram represent

Question illustration
A
the number of runs Maria jogged in each range of miles.
B
the number of marathons Maria entered.
C
the number of days Maria jogged that week.
D
the number of weeks Maria jogged.
24

Nora wants to find her average grade in her science class. She has earned a score of 85% on two tests, 92% on three tests, and 94% on her most recent test. What is Nora’s mean, or average, test score?

A
89.2%
B
90%
C
90.3%
D
91%
25

Consider the two data sets below:Data Set 1: 19, 25, 35, 38, 41, 49, 50, 52, 59Data Set 2: 19, 25, 35, 38, 41, 49, 50, 52, 99Which of the following statements is true?

A
The values are not in order.
B
The data sets will have different values for their interquartile range.
C
The data sets will have the same values for their interquartile range.
D
An outlier will have no effect on the range.

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