Answered: She would like to determine if there is…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

See similar textbooks

Related questions

Question

Katie is interested if an association exists between age and sleep habits. She selects a random sample of 68 adults in three age groups and determines whether they sleep less than 7 hours, between 7 and 8 hours, or more than 8 hours each night. She would like to determine if there is convincing evidence of an association. Let = 0.05. What are the hypotheses for this test?

H₀: There is an association between age and sleep habits.
H_a: There is no association between age and sleep habits.

H₀: There is no association between age and sleep habits.
H_a: There is an association between age and sleep habits.

H₀: There is no difference in the distribution of age and sleep habits.
H_a: There is a difference in the distribution of age and sleep habits.

H₀: There is a difference in the distribution of age and sleep habits.
H_a: There is no difference in the distribution of age and sleep habits.

Expert Solution