# A retail store manager kept track of the number of

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Chapter 2 / Exercise 21
Introduction to Probability and Statistics
Beaver/Mendenhall
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Stem Leaf 5 5 6 9 6 2 3 4 4 4 9 7 7 7 8 5
b. Which measure(s) of central tendency best represent the data? I think that the Mean and mode best represent the data presented.
3. A retail store manager kept track of the number of car magazines sold each week over a 10-week period. The results are shown below. 27 30 21 62 28 18 23 22 26 28 a. Find the mean, median, and mode of newspapers sold over the 10-
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Chapter 2 / Exercise 21
Introduction to Probability and Statistics
Beaver/Mendenhall
Expert Verified
4. Joe wants to pass his statistics class with at least a 75%. His prior four test scores are 74%, 68%, 84% and 79%. What is the minimum score he needs on the final exam to pass the class with a 75% average?
5. Nancy participated in a summer reading program. The number of books read by the 23 participants are as follows: 10 9 6 2 5 3 9 1 6 3 10 4 7 6 3 5 6 2 6 5 3 7 2 Number of books read Frequency 1–2 4 3–4 5 5–6 7 7–8 2 9–10 4 a. Complete the frequency table. b.