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The average pre-school cost for tuition fees last year was P17,250. The following year, 20 institutions had a mean of P16,150 and a standard deviation of P2,250. Is there sufficient evidence at a=0.10 of level of significance to conclude that the mean cost has increased? *

The average pre-school cost for tuition fees last year was P17,250. The following year, 20 institutions had a mean of P16,150 and a standard deviation of P2,250. Is there sufficient evidence at a=0.10 of level of significance to conclude that the mean cost has increased? *

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
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The average pre-school cost for tuition fees last year was P17,250. The following year, 20 institutions had a mean of P16,150 and a standard deviation of P2,250. Is there sufficient evidence at a=0.10 of level of significance to conclude that the mean cost has increased? *
Transcribed Image Text:The average pre-school cost for tuition fees last year was P17,250. The following year, 20 institutions had a mean of P16,150 and a standard deviation of P2,250. Is there sufficient evidence at a=0.10 of level of significance to conclude that the mean cost has increased? *
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