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As the new manager of a small convenience store, you want to understand the shopping patterns of your customers. You randomly sample 20 purchases from yesterday's records. The amounts of those purchases (in dollars) are shown to the right. Complete parts a) through c). C... a) Would you expect the mean purchase to be smaller than, bigger than, or about the same size as the median? Explain. A. The mean should be about the same size as the median because the distribution is roughly symmetric. OB. The mean should be bigger than the median because the distribution is slightly skewed to the right. OC. The mean should be smaller than the median because the distribution is slightly skewed to the left. b) Find the mean purchase. The mean is $. (Round to two decimal places as needed.) c) Find the median purchase. 3.53 34.75 45.88 66.41 15.91 38.69 42.33 67.68 20.95 33.22 48.92 76.02 30.17 33.13 53.43 82.97 37.96 80.00 58.47 98.51 # of Purchases Im 50 Purchase ($) 0+ 100

As the new manager of a small convenience store, you want to understand the shopping patterns of your customers. You randomly sample 20 purchases from yesterday's records. The amounts of those purchases (in dollars) are shown to the right. Complete parts a) through c). C... a) Would you expect the mean purchase to be smaller than, bigger than, or about the same size as the median? Explain. A. The mean should be about the same size as the median because the distribution is roughly symmetric. OB. The mean should be bigger than the median because the distribution is slightly skewed to the right. OC. The mean should be smaller than the median because the distribution is slightly skewed to the left. b) Find the mean purchase. The mean is $. (Round to two decimal places as needed.) c) Find the median purchase. 3.53 34.75 45.88 66.41 15.91 38.69 42.33 67.68 20.95 33.22 48.92 76.02 30.17 33.13 53.43 82.97 37.96 80.00 58.47 98.51 # of Purchases Im 50 Purchase ($) 0+ 100

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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As the new manager of a small convenience store, you want to understand the shopping patterns of your customers. You randomly sample 20 purchases from yesterday's records. The amounts of those purchases (in dollars) are shown to the right. Complete parts a) through c). a) Would you expect the mean purchase to be smaller than, bigger than, or about the same size as the median? Explain. A. The mean should be about the same size as the median because the distribution is roughly symmetric. B. The mean should be bigger than the median because the distribution is slightly skewed to the right. C. The mean should be smaller than the median because the distribution is slightly skewed to the left. b) Find the mean purchase. The mean is $. (Round to two decimal places as needed.) c) Find the median purchase. The median is $ (Round to two decimal places as needed.) 3.53 34.75 45.88 66.41 15.91 38.69 42.33 67.68 20.95 33.22 48.92 76.02 30.17 33.13 53.43 82.97 37.96 80.00 58.47 98.51 U # of Purchases O +8 50 Purchase ($) 100 Ly
Transcribed Image Text:As the new manager of a small convenience store, you want to understand the shopping patterns of your customers. You randomly sample 20 purchases from yesterday's records. The amounts of those purchases (in dollars) are shown to the right. Complete parts a) through c). a) Would you expect the mean purchase to be smaller than, bigger than, or about the same size as the median? Explain. A. The mean should be about the same size as the median because the distribution is roughly symmetric. B. The mean should be bigger than the median because the distribution is slightly skewed to the right. C. The mean should be smaller than the median because the distribution is slightly skewed to the left. b) Find the mean purchase. The mean is $. (Round to two decimal places as needed.) c) Find the median purchase. The median is $ (Round to two decimal places as needed.) 3.53 34.75 45.88 66.41 15.91 38.69 42.33 67.68 20.95 33.22 48.92 76.02 30.17 33.13 53.43 82.97 37.96 80.00 58.47 98.51 U # of Purchases O +8 50 Purchase ($) 100 Ly
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