MATHEMATICS

1.In SPSS, when you perform the One Sample T-Test ____.
you need to export the results into a charting software
you need to use the Chart option to display the results
the system automatically generates the results
you need to use the Table option to display the reults

2.In SPSS, when you perform a One Sample T-Test, the results are displayed in ____.
a graph
two tables
a pie chart
one table

3.In SPSS, to perform a One Sample T-Test, you click on analyze and then click on ____.
Compare Means
Compare Means and then select One Sample T-Test
One sample T-Test
Statistical Tests and then select One Sample T-Test

 

 

Question 1

Refer to the Baseball 2012 data, which report information on the 30 Major League Baseball teams for the 2012 season. Assume the 2012 data represents a sample.

a. Develop a 95% confidence interval for the mean number of home runs per team.

 

b. Develop a 95% confidence interval for the mean number of errors committed by each team.

 

c.      Develop a 95% confidence interval for the mean number of stolen bases for each team.

 

 

Question 2

Refer to the Real Estate data, which report information on the homes sold in Goodyear, Arizona, last year.

a. A recent article in the Arizona Republic indicated that the mean selling price of the homes in the area is more than $220,000. Can we conclude that the mean selling price in the Goodyear, AZ, area is more than $220,000? Use the .01 significance level. What is the p-value?

b. The same article reported the mean size was more than 2,100 square feet. Can we conclude that the mean size of homes sold in the Goodyear, AZ, area is more than 2,100 square feet? Use the .01 significance level. What is the p-value?

 

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