2. In a certain city, a school administrator hypothesized that students enroll in schools within 5 km from their homes. To check this claim, you asked 30 students from the said city and you found that the mean distance between their schools and homes is 5.3 km with standard deviation of 0.2 km. is the true mean greater that the hypothesized mean? Use a = 0.05.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Solve the following using the five-step hypothesis testing procedure.
1. A cosmetics company claims that teenage ladies consume an average of 150
Php monthly for cosmetic products. In order to verify this claim, a researcher
conducted a survey to 40 teenage ladies and found that their mean monthly
expense for cosmetic products is 146 Php with standard deviation of 12 Php
Using a = 0.05, test whether the companies claim is realistic or not?
2. In a certain city, a school administrator hypothesized that students enroll in
schools within 5 km from their homes. To check this claim, you asked 30
students from the said city and you found that the mean distance between their
schools and homes is 5.3 km with standard deviation of 0.2 km. is the true
mean greater that the hypothesized mean? Use a = 0.05.
Transcribed Image Text:Solve the following using the five-step hypothesis testing procedure. 1. A cosmetics company claims that teenage ladies consume an average of 150 Php monthly for cosmetic products. In order to verify this claim, a researcher conducted a survey to 40 teenage ladies and found that their mean monthly expense for cosmetic products is 146 Php with standard deviation of 12 Php Using a = 0.05, test whether the companies claim is realistic or not? 2. In a certain city, a school administrator hypothesized that students enroll in schools within 5 km from their homes. To check this claim, you asked 30 students from the said city and you found that the mean distance between their schools and homes is 5.3 km with standard deviation of 0.2 km. is the true mean greater that the hypothesized mean? Use a = 0.05.
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