In what followsUse the charts below to answer the last question.

DATA: https://www.limes.one/Content/DataFiles/cars04.txt

OpenCars04data. SETUP:Use the retail price data and construct the appropriate histogram with (use bin size 10000).Answer the questions:

I. The chart you created resembles? (5 points)

• a. Bell shape
• b. Double-Bell shape
• c. Skewed shape

II. How many cars are more expensive than 50000 dollars? (5 points)

• a. 19
• b. 20
• c. 21

III. Which interval has the highest frequency? (5 points)

• a. 10000 - 20000
• b. 20000 - 30000
• c. 30000- 40000
• d. 40000 - 50000

IV. For this data which of the following is true? (5 points)

• a. StDev < Median < Average
• b. Average < StDev < Median
• c. Median < Average < StDev
• d. StDev < Average < Median

DATA: https://www.limes.one/Content/DataFiles/Man_Body.txt

In what follows use any of the following tests/procedures: Regression, multiple regression, confidence intervals, one sided T-test or two sided T-test. All the procedures should be done with 5% P-value or 95% confidence interval.Some answers are approximated, choose the most appropriate answer.OpenMan_Bodydata. SETUP: Some people claim that Man chest size is on average larger than the Hip size. Given the data your job is to confirm or disprove this claim.

I. What test/procedure did you perform? (6.66 points)

• a. One sided T-test
• b. Two sided T-test
• c. Regression
• d. Confidence interval

II. Statistical interpretation? (6.66 points)

• a. Since P-value is small we are confident that the slope is not zero.
• b. Since P-value is small we are confident that the averages are different.
• c. Since P-value is too large the test is inconclusive.
• d. None of these.

III. Conclusion? (6.66 points)

• a. Yes, this is a reasonable belief.
• b. No, we cannot confirm that this is a reasonable belief.

DATA: https://www.limes.one/Content/DataFiles/Wages.txt

In what follows use any of the following tests/procedures:Regression, multiple regression, confidence intervals, one sided T-test or two sided T-test. All the procedures should be done with 5% P-value or 95% confidence interval.Some answers are approximated, choose the most appropriate answer.OpenWagesdata.SETUP: Is it true that married people have higher wages? Given job is to confirm or disprove this assertion.

I. What test/procedure did you perform? (6.66 points)

• a. One sided T-test
• b. Two sided T-test
• c. Regression
• d. Confidence interval

II. Statistical interpretation? (6.66 points)

• a. Since P-value is small we are confident that the slope is not zero.
• b. Since P-value is small we are confident that the averages are different.
• c. Since P-value is too large the test is inconclusive.
• d. None of these.

III. Conclusion? (6.66 points)

• a. Yes, we can confirm the assertion.
• b. No, we cannot confirm the assertion.

DATA: https://www.limes.one/Content/DataFiles/cars04.txt

In what follows use any of the following tests/procedures:Regression, multiple regression, confidence intervals, one sided T-test or two sided T-test. All the procedures should be done with 5% P-value or 95% confidence interval.Some answers are approximated, choose the most appropriate answer.OpenCars04data. SETUP:Is it reasonable to claim that cars that are wider than 69 inches, have city gas mileage less than 20 miles per gallon.Given the data your job is to help answer this question.

I. What test/procedure did you perform? (6.66 points)

• a. One sided T-test
• b. Two sided T-test
• c. Regression
• d. Confidence interval

II. Statistical interpretation? (6.66 points)

• a. Since P-value is small we are confident that the slope is not zero.
• b. Since P-value is small we are confident that the averages are different.
• c. Since P-value is too large the test is inconclusive.
• d. None of these.

III. Conclusion? (6.66 points)

• a. Yes, we can confirm that this was a reasonable claim.
• b. No, we cannot confirm that this was a reasonable claim.