It is believed that Lake Tahoe Community College (LTCC) Intermediate Algebra students get less than seven hours
Question:
It is believed that Lake Tahoe Community College (LTCC) Intermediate Algebra students get less than seven hours of sleep per night, on average. A survey of 22 LTCC Intermediate Algebra students generated a mean of 7.24 hours with a standard deviation of 1.93 hours. At a level of significance of 5%, do LTCC Intermediate Algebra students get less than seven hours of sleep per night, on average?
The Type II error is not to reject that the mean number of hours of sleep LTCC students get per night is at least seven when, in fact, the mean number of hours
a. is more than seven hours.
b. is at most seven hours.
c. is at least seven hours.
d. is less than seven hours.
Step by Step Answer:
Introductory Business Statistics
ISBN: 202318
1st Edition
Authors: Alexander Holmes , Barbara Illowsky , Susan Dean