Concept explainers
(a)
The histogram for the given data.
(a)
Answer to Problem 9Q
Explanation of Solution
Given:
The given data is:
Calculation:
From the given data;
Draw the histogram of the given data as follows:
(b)
The measures of center and variation that best describe the data.
(b)
Answer to Problem 9Q
Use the mean to describe the center and standard deviation to describe the variation.
Explanation of Solution
Given:
The given data is:
Calculation:
The histogram of the given data is as follows:
The data on the right of the distribution is approximately a mirror image of the data present on the left. Hence, the distribution is symmetric.
Therefore, use the mean to describe the center and standard deviation to describe the variation.
(c)
The interpretation of the data.
(c)
Answer to Problem 9Q
Most of the times are equal.
Explanation of Solution
Given:
The given data is:
The presentations were supposed to be 10 minutes long.
Calculation:
Looking at the data and the histogram, it can be seen that presentations were supposed to be 10 minutes long. Hence, most of the times are equal.
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