the following9 problem by showing the steps and procedures in hnypotnesis testing. nationwide survey found out that the average time that a Senior High School students spent on their personal computer is 10.5 hours per week. A random sample of 28 SHS students showed that they spent 8.5 hours per v sing their computers with a standard deviation of 1.2 hours. Test whether the average number of hours spent by the 28 SHS students is significantly lower than the national average of 10.5 hours. Use a level of significance o

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Solve the following problem by showing the steps and procedures in hypothesis testing.
A nationwide survey found out that the average time that a Senior High School students spent on their personal computer is 10.5 hours per week. A random sample of 28 SHS students showed that they spent 8.5 hours per week
using their computers with a standard deviation of 1.2 hours. Test whether the average number of hours spent by the 28 SHS students is significantly lower than the national average of 10.5 hours. Use a level of significance of 5%
Transcribed Image Text:Solve the following problem by showing the steps and procedures in hypothesis testing. A nationwide survey found out that the average time that a Senior High School students spent on their personal computer is 10.5 hours per week. A random sample of 28 SHS students showed that they spent 8.5 hours per week using their computers with a standard deviation of 1.2 hours. Test whether the average number of hours spent by the 28 SHS students is significantly lower than the national average of 10.5 hours. Use a level of significance of 5%
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