1st Edition

ISBN: 9781938168208

Author: Barbara Illowsky, Susan Dean

Publisher: OpenStax College

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Textbook Question

Chapter 11, Problem 10P

Use the following information to answer the next five exercises: A teacher predicts that the distribution of grades on the

final exam will be and they are recorded in Table 11.27.

Grade	Proportion
A	0.25
B	0.30
C	0.35
D	0.10

The actual distribution for a class of 20 is in Table 11.28.

Grade	Frequency
A	7
B	7
C	5
D	1

Table 11.28.

State the null and alternative hypotheses.

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Chapter 11, Problem 9P

Chapter 11, Problem 11P

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Chapter 11 Solutions

Introductory Statistics

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