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Where do you live? The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of four geographic regions in Year A

Where do you live?The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of four geographic regions in Year

A

.Then a simple random sample was drawn of

1000

people living in the United States in Year

B

.The following table presents the results:

Category

Year

A

Proportion

Year

B

Frequency

Northeast 0.194 149
Midwest 0.210 210
South 0.374 400
West 0.222 241

Send data to Excel

Can you conclude that the proportions of people living in the various regions changed between Year

A

and Year

B

?

Use the

=0.01

level of significance.

Part:0 / 2

0 of 2 Parts Complete

Part 1 of 2

(a)Find the

P

-value. Use Excel; round your answer to four decimal places.

The

P

-value is

2

.

Part:1 / 2

1 of 2 Parts Complete

Part 2 of 2

(b)Write a conclusion.

We do not reject

H0

. There is enough evidence at the

=0.01

level of significance to say that the proportions of people living in the various regions changed between Year

A

and Year

B

.

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