A national consumer organization has conducted a poll among purchasers of desktop and laptop computers concerning the consumer's level of satisfaction with the selection of computers that were available for purchase, prices, knowledge of the machines by the salespeople, helpfulness of sales staff, and the availability of support services and technical advice offered when there was a problem. Sources of computers were divided into two groups: sales originating at retail/electronic stores or sales from manufacturer-direct stores and Web catalog retailers. For each type of sales outlet, a random sample of consumers who actually purchased a computer was asked to complete a survey, which consisted of a series of questions and ratings to be checked off. Scores for the survey ranged from 0 to 100. Each score in the stemplot below represents the average for at least 200 responses for that store or Web site. A score of 80 was considered to be customers who were, on average, very satisfied with the experience. A score of 60 indicated that customers were fairly satisfied. A score of 40 would indicate, on average, dissatisfied customers. Retail Stores Manufacturer Direct and Web Sales 2, 4 0, 1, 2 3, 3, 4, 5, 7, 7, 9 2, 3, 5, 6 3,7 1, 2, 3, 5, 6, 7 4 8. Which one of the following statements is TRUE? The ranges for the two ratings distributions are the same. The ratings distribution for retail/electronic stores is skewed to the right. The median of the ratings distribution for retail/electronic stores is higher than the median of the ratings distribution for direct and Web sales. The IQR for the ratings distribution of retail/electronic stores is smaller than the IQR for the ratings distribution of manufacturer direct and Web site stores. The ratings for retail/electronic stores are, on average, lower than the ratings for manufacturer direct and Web sales. (A) (B) (C) (D) (E) 907 664 2.
A national consumer organization has conducted a poll among purchasers of desktop and laptop computers concerning the consumer's level of satisfaction with the selection of computers that were available for purchase, prices, knowledge of the machines by the salespeople, helpfulness of sales staff, and the availability of support services and technical advice offered when there was a problem. Sources of computers were divided into two groups: sales originating at retail/electronic stores or sales from manufacturer-direct stores and Web catalog retailers. For each type of sales outlet, a random sample of consumers who actually purchased a computer was asked to complete a survey, which consisted of a series of questions and ratings to be checked off. Scores for the survey ranged from 0 to 100. Each score in the stemplot below represents the average for at least 200 responses for that store or Web site. A score of 80 was considered to be customers who were, on average, very satisfied with the experience. A score of 60 indicated that customers were fairly satisfied. A score of 40 would indicate, on average, dissatisfied customers. Retail Stores Manufacturer Direct and Web Sales 2, 4 0, 1, 2 3, 3, 4, 5, 7, 7, 9 2, 3, 5, 6 3,7 1, 2, 3, 5, 6, 7 4 8. Which one of the following statements is TRUE? The ranges for the two ratings distributions are the same. The ratings distribution for retail/electronic stores is skewed to the right. The median of the ratings distribution for retail/electronic stores is higher than the median of the ratings distribution for direct and Web sales. The IQR for the ratings distribution of retail/electronic stores is smaller than the IQR for the ratings distribution of manufacturer direct and Web site stores. The ratings for retail/electronic stores are, on average, lower than the ratings for manufacturer direct and Web sales. (A) (B) (C) (D) (E) 907 664 2.
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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Transcribed Image Text:A national consumer organization has conducted a poll among purchasers of desktop and
laptop computers concerning the consumer's level of satisfaction with the selection of
computers that were available for purchase, prices, knowledge of the machines by the
salespeople, helpfulness of sales staff, and the availability of support services and technical
advice offered when there was a problem. Sources of computers were divided into two
groups: sales originating at retailelectronic stores or sales from manufacturer-direct stores
and Web catalog retailers. For each type of sales outlet, a random sample of consumers who
actually purchased a computer was asked to complete a survey, which consisted of a series of
questions and ratings to be checked off. Scores for the survey ranged from 0 to 100. Each
score in the stemplot below represents the average for at least 200 responses for that store or
Web site. A score of 80 was considered to be customers who were, on average, very satisfied
with the experience. A score of 60 indicated that customers were fairly satisfied. A score of
40 would indicate, on average, dissatisfied customers.
Retail Stores
Manufacturer Direct and Web
Sales
2, 4
1, 2, 3, 5, 6, 7
9.
0, 1, 2
3, 3, 4, 5, 7, 7, 9
2, 3, 5, 6
3, 7
2
7
4
8
5
4
Which one of the following statements is TRUE?
(A)
(В)
(C)
The ranges for the two ratings distributions are the same.
The ratings distribution for retail/electronic stores is skewed to the right.
The median of the ratings distribution for retail/electronic stores is higher than the
median of the ratings distribution for direct and Web sales.
The IQR for the ratings distribution of retail/electronic stores is smaller than the IQR
for the ratings distribution of manufacturer direct and Web site stores.
The ratings for retail/electronic stores are, on average, lower than the ratings for
manufacturer direct and Web sales.
(D)
(E)
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