1. The average length of night (sunset to sunrise) in Manila is said to be 12.2 hours. A group of students said that in February, it will be shorter. They do a study about this and choose 14 randomly selected days in February. The computed sample average is 11.19 hours with a standard deviation of 0.25 hours. Is there enough evidence for the students' claim? Use g=0.05.
1. The average length of night (sunset to sunrise) in Manila is said to be 12.2 hours. A group of students said that in February, it will be shorter. They do a study about this and choose 14 randomly selected days in February. The computed sample average is 11.19 hours with a standard deviation of 0.25 hours. Is there enough evidence for the students' claim? Use g=0.05.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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qo. Answer only pls
1. what is the null hypothesis
2. what is the alternative hypothesis
3. which is the claim, the null hypothesis or the alternative hypothesis
4. what type of test to use
5. what is the level of significance
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