Concept explainers
(a)
To Find: The two way table to determine the results of the survey that is asked to the shoppers at the mall about whether they like the new food court or not .
(a)
Answer to Problem 12CR
The required table is shown in Table 2.
Given:
The two way table to determine the results of the survey that is asked to the shoppers at the mall about whether they like the new food court or not is shown in Table 1.
Table 1
Sophomores/food court | Like | Dislike |
Adults | 21 | 79 |
Teenagers | 96 | 4 |
Calculation:
The two way table that shows the joint and the marginal relative frequencies is shown in table 2.
Table 2
Sophomores/food court | Like | Dislike | Total |
Adults | 21 | 79 | 0.50 |
Teenagers | 96 | 4 | 0.50 |
Total | 0.58 | 0.42 | 1 |
(b)
To Find: The two way table that shows the conditional relative frequencies based on the column totals.
The required table is shown in Table 3.
The two way table that shows the conditional relative frequencies based on the column totals is shown in Table 3.
Table 3
Sophomores/food court | Like | Dislike |
Adults | ||
Teenagers |
Explanation of Solution
Given:
The two way table to determine the results of the survey that is asked to the shoppers at the mall about whether they like the new food court or not is shown in Table 1.
Table 1
Sophomores/food court | Like | Dislike |
Adults | 21 | 79 |
Teenagers | 96 | 4 |
Calculation:
The two way table that shows the joint and the marginal relative frequencies is shown in table 2.
Table 2
Sophomores/food court | Like | Dislike | Total |
Adults | 21 | 79 | 0.50 |
Teenagers | 96 | 4 | 0.50 |
Total | 0.58 | 0.42 | 1 |
(b)
To Find: The two way table that shows the conditional relative frequencies based on the column totals.
(b)
Answer to Problem 12CR
The required table is shown in Table 3.
The two way table that shows the conditional relative frequencies based on the column totals is shown in Table 3.
Table 3
Sophomores/food court | Like | Dislike |
Adults | ||
Teenagers |
Explanation of Solution
The two way table that shows the conditional relative frequencies based on the column totals is shown in Table 3.
Table 3
Sophomores/food court | Like | Dislike |
Adults | ||
Teenagers |
Chapter 7 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
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- Thinking Mathematically (7th Edition)MathISBN:9780134683713Author:Robert F. BlitzerPublisher:PEARSONDiscrete Mathematics With ApplicationsMathISBN:9781337694193Author:EPP, Susanna S.Publisher:Cengage Learning,Pathways To Math Literacy (looseleaf)MathISBN:9781259985607Author:David Sobecki Professor, Brian A. MercerPublisher:McGraw-Hill Education