Average Senior High School annual cost of tuition fee for all private school last year was P46,300. A random sample of costs this year for 45 private schools indicated that the sample mean was P47,800 and a sample standard deviation

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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solve for this with 6 step of hypothesis testing
TESTING HYPOTHESIS
Instructions
Instructions
Answer the following with complete steps:
1. Average Senior High School annual cost
of tuition fee for all private school last
year was P46,300. A random sample of
costs this year for 45 private schools
indicated that the sample mean was
P47,800 and a sample standard deviation
was P5,600. At the 0.10 level of of
significance, is there sufficient evidence
to conclude that the cost has increased?
Use 6-steps in hypothesis testing.
Transcribed Image Text:TESTING HYPOTHESIS Instructions Instructions Answer the following with complete steps: 1. Average Senior High School annual cost of tuition fee for all private school last year was P46,300. A random sample of costs this year for 45 private schools indicated that the sample mean was P47,800 and a sample standard deviation was P5,600. At the 0.10 level of of significance, is there sufficient evidence to conclude that the cost has increased? Use 6-steps in hypothesis testing.
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