A local Chamber of commerce Claims that the mean family income in aſcity is $12,250 An economist suspects otherwise and runs a hypothesis test using a sample of 135 families and finds a mean of $11,500 with a standard deviation Of $3,280. Should the $12,250 Claim pe rejected at a 5% levej. (Sianithicance)
A local Chamber of commerce Claims that the mean family income in aſcity is $12,250 An economist suspects otherwise and runs a hypothesis test using a sample of 135 families and finds a mean of $11,500 with a standard deviation Of $3,280. Should the $12,250 Claim pe rejected at a 5% levej. (Sianithicance)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A local Chamber of commerce Claims that the mean family income in aſcity is $12.250.
An economist suspects otherwise and runs a hypothesis test using a sample of 135
families and finds a mean of $11,500 with a standard deviation Of $3,280. Should the
$12,250 Claim be rejected at a 5% level. (Signiticance)
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