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A group of ICT students wants to test the claim that average cost of textbooks in the school is more than Php with a standard deviation of Php 40. Suppose their rand sample of 150 books resulted to a mean of Php 535, test

A group of ICT students wants to test the claim that average cost of textbooks in the school is more than Php with a standard deviation of Php 40. Suppose their rand sample of 150 books resulted to a mean of Php 535, test

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Problem Set I A group of ICT students wants to test the claim that the average cost of textbooks in the school is more than Php 520 with a standard deviation of Php 40. Suppose their random sample of 150 books resulted to a mean of Php 535, test the claim at a 5% Level of significance.
Transcribed Image Text:Problem Set I A group of ICT students wants to test the claim that the average cost of textbooks in the school is more than Php 520 with a standard deviation of Php 40. Suppose their random sample of 150 books resulted to a mean of Php 535, test the claim at a 5% Level of significance.
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