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The following table lists the cost of living for seven Southeastern US cities:

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The following table lists the cost of living for seven Southeastern US cities:
Charlotte, NC: 93.0 (Cost of Living Index (US mean = 100)

Birmingham, AL: 89.6

Florence, SC: 100.0

Tampa, FL: 92.1

Atlanta, GA : 95.2

Knoxville, TN: 89.7

Miami, FL: 107.7

Is the true mean cost of living index for Southeastern US cities lower than the national mean cost-of-living index of 100? Test at 2% significance level.

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Is the true mean cost of living index for Southeastern US cities lower than the
national mean cost-of-living index of 100? Test at 2% significance level.
Choose the correct Ho and HA statements:
A) HO: M Southeast = MNational
HA : MSoutheast <MNational
( B) Ho: MSoutheast = M National
HA : MSoutheast > MNational
O C) Ho: M Southeast = MNational
HA : HSoutheast MNational
( D) Ho: PSoutheast = PNational
HA : PSoutheast * PNational

 
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