Question: 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

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: Year B Category Year A Proportion Frequency Northeast 0.187 142 Midwest 0.237 222 South 0.345 381 West 0.231 255 Can you conclude that the proportions of people living in the various regions changed between Year A and Year B? Use the a = 0.05 level of significance. Part 1 of 2 (a) Find the P-value. Use Excel; round your answer to four decimal places. The P-value is Part 2 of 2 (b) Write a conclusion. We reject Ho. There is V enough evidence at the a = 0.05 level of significance to say that the proportions of people living in the various regions changed between Year A and Year B

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!