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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? *

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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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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