A student wanted to test whether there was a difference in the mean daily hours of study for students living in four different dormitories. She selected a random sample of 50 students from each of the four dormitories. What is the null hypothesis for this situation? A. The mean daily hours of study is 3 hours for each dormitory. B. The mean daily hours of study is not the same for each dormitory. C. The mean daily hours of study is different for each of the 200 students in the sample. D. The mean daily hours of study is the same for all four dormitories.
A student wanted to test whether there was a difference in the mean daily hours of study for students living in four different dormitories. She selected a random sample of 50 students from each of the four dormitories. What is the null hypothesis for this situation? A. The mean daily hours of study is 3 hours for each dormitory. B. The mean daily hours of study is not the same for each dormitory. C. The mean daily hours of study is different for each of the 200 students in the sample. D. The mean daily hours of study is the same for all four dormitories.
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
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Question
A student wanted to test whether there was a difference in the
A. The mean daily hours of study is 3 hours for each dormitory.
B. The mean daily hours of study is not the same for each dormitory.
C. The mean daily hours of study is different for each of the 200 students in the sample.
D. The mean daily hours of study is the same for all four dormitories.
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