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# Question 2 (30 marks) a. Find the point estimate of the average systolic pressure of all...

Question 2

a. Find the point estimate of the average systolic pressure of all female in the population. [3 marks]

b. Construct the 95% confidence interval of the average systolic pressure of all female in the population. Briefly explain the confidence interval. [6 marks]

c. Determine the margin of error of estimate for part (b). [2 marks]

d. Find the 98% confidence interval of the average systolic pressure of all female in the population. What conclusion can be drawn from the above confidence interval? [6 marks]

e. State assumption(s) that you make. [2 marks] f. At α = 0.05, can we conclude that the average systolic pressure of all female differs from 128 mmHg? Use p-value approach. [11

This list explains the values given for the categories in the data set.

1. “Age” is given in years.

2. “Educational level” values are defined as follows: 0 = no high school 2 = college graduate 1 = high school graduate 3 = graduate degree

3. “Smoking status” values are defined as follows: 0 = does not smoke 1 = smokes less than one pack per day 2 = smokes one or more pack per day

4. “Exercise” values are defined as follows: 0 = none 2 = moderate 1 = light 3 = heavy

5. “Weight” is given in pounds.

6. “Serum cholesterol” is given in milligram percent (mg%).

7. “Systolic pressure” is given in millimeters of mercury (mm Hg).

8. “IQ” is given in standard IQ test score values.

9. “Sodium” is given in milliequivalents per liter per liter (mEq/l).

10. “Gender” is listed as male (M) or female (F).

11. “Marital status” values are defined as follows: M = married S = single W = widowed D = divorced  #### Earn Coins

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