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
Section10.3: Measures Of Spread
Problem 16HP
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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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F935676eb-df31-4171-b754-313b17674c86%2Fdddb0f83-2dcb-4bd3-ae7c-7bba3df76921%2F3v15m8j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Nam
Period:
Due Date:
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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