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ied out by John claims that the average cost of living for households in City 1 is more than that in City 2:   City 1 City 2

ied out by John claims that the average cost of living for households in City 1 is more than that in City 2:   City 1 City 2

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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. A survey carried out by John claims that the average cost of living for households in
City 1 is more than that in City 2:

  City 1 City 2
?̅̅1̅ = 164 ?̅̅2̅ = 159
   ?1 = 12.50 ?2 = 9.25
?1 = 35 ?2 = 30

(a) Specify the competing hypotheses to test John's claim

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