(a)
To find: the organization result in two ways table and interpret the marginal frequencies.
(a)
Answer to Problem 10CT
Marginal frequencies are
Explanation of Solution
Given:
A survey that has
Concept used:
Entries in the total row and total column are called marginal frequency or the marginal distribution. Entries in the body of the table are called joint frequencies.
Calculation:
Step
The two categories for the table.
In this case: gender and attend the field trip.
Step
Step
From the table:
Hence, marginal frequencies are
(b)
To find: the percentage of the females that are attending class field trip.
(b)
Answer to Problem 10CT
Explanation of Solution
Given:
A survey that has
Concept used:
Entries in the total row and total column are called marginal frequency or the marginal distribution. Entries in the body of the table are called joint frequencies. Ratio is in the form of division and percentage is a number or ratio expressed as fraction of
Calculation:
From the table,
Hence, the
Chapter 7 Solutions
BIG IDEAS MATH Integrated Math 1: Student Edition 2016
- Discrete Mathematics and Its Applications ( 8th I...MathISBN:9781259676512Author:Kenneth H RosenPublisher:McGraw-Hill EducationMathematics for Elementary Teachers with Activiti...MathISBN:9780134392790Author:Beckmann, SybillaPublisher:PEARSON
- 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