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1

Accepted characters: Only numbers, decimal point markers (i.e., periods), or sign indicators preceding a number (e.g., -5) are allowed, except where scientific notation is needed. Values in scientific notation format should use “e” to represent “times 10 to the power of” (e.g., 3e-3 means 3 x 10-3).

How many subjects were in this study? ____

2

Explain your answer to question 1 above.

3

Is there a statistically significant main effect due to AMA? In other words, do mothers who are 35 or more and mothers who are below 35 have statistically significantly different BMI?

A. Yes

B. No

4

Explain your answer to question 3 above.

5

Is there a statistically significant main effect due to CESEAR? In other words, do mothers who had cesarean section and mothers who had vaginal delivery have statistically significantly different BMI?

A. Yes

B. No

6

Explain your answer to question 5 above.

7

What is the research question being asked in this specific problem when we examine whether the interaction is statistically significant?

8

Is the interaction of the two factors statistically significant?

A. Yes

B. No

9

Explain your answer to question 8 above.

Part 2: Part 2

A study where mothers were not given steroids prior to delivery was used to determine if the time from hospital admission to delivery (INTERVAL_HRS) vary by PARIX (number of prior pregnancies: “zero”, “one”, “two”, “three or more”) and AMA (advanced maternal age:

“35 or more”, “below 35”) and their interaction.

10

Accepted characters: Only numbers, decimal point markers (i.e., periods), or sign indicators preceding a number (e.g., -5) are allowed, except where scientific notation is needed. Values in scientific notation format should use “e” to represent “times 10 to the power of” (e.g., 3e-3 means 3 x 10-3).

What is df for PARIX (number of prior pregnancies)? ____

11

Explain your answer to question 10 above.

12

Accepted characters: Only numbers, decimal point markers (i.e., periods), or sign indicators preceding a number (e.g., -5) are allowed, except where scientific notation is needed. Values in scientific notation format should use “e” to represent “times 10 to the power of” (e.g., 3e-3 means 3 x 10-3).

How many subjects were in the study? ____

13

Explain your answer to question 12 above.

14

Does time from hospital admission to delivery (INTERVAL_HRS) vary among number of prior pregnancies (PARIX)? In other words, is the time from hospital admission to delivery significant different between mothers who had “zero”, “one”, “two”, and “three or more” prior pregnancies?

A. Yes

B. No

15

Explain your answer to question 14 above.

16

Does time from hospital admission to delivery (INTERVAL_HRS) vary among advance maternal age (AMA)? In other words, is the time from hospital admission to delivery significant different between mothers who were 35 or more and those who were below 35?

A. Yes

B. No

17

Explain your answer to question 16 above.

18

Is there interaction between PARIX and AMA statistically significant?

A. Yes

B. No

19

Explain your answer to question 18 above.

20

Using the Tukey test, do any pairs of PARIX differ significantly in terms of INTERVAL_HRS? Select all that apply.

A. None of them

B. Between 0 and 1

C. Between 0 and 2

D. Between 0 and 3

E. Between 1 and 2

F. Between 1 and 3

G. Between 2 and 3

Part 3: Part 3

A group of patients who visited a local clinic had their diastolic blood pressure measured three times, at the time they entered the clinic, at the time they saw the physician, and at the time they left the clinic. Use the information provided to answer the questions that follow:

21

What is the sig we should use to determine if diastolic blood pressure vary over those three measurements for these patients? ____

22

Which of the following statements are true? Select all that apply.

A. Sphericity is assumed

B. Sphericity is not assumed

C. There is a statistically significant difference in diastolic blood pressureover those three measurements

D. There is no statistically significant difference in diastolic blood pressure over those three measurements

Part 4: Part 4

A group of nursing home residents participated in a study on satisfaction with care. They were asked to provide a rating of the care they received for five consecutive days. A repeated measures ANOVA with alpha = 0.05 was conducted to determine if satisfaction with care vary among those five points in time.

23

What is the null hypothesis being tested by Mauchly’s test?

24

Is the null hypothesis being tested by Mauchly’s test rejected or retained?

A. Rejected

B. Retained

25

Explain your answer to question 24 above.

26

Is there evidence to reject the null hypothesis of no change in satisfaction with care over time?

A. No

B. Yes

27

Explain your answer to question 26 above by clearing identifying which lines and which sig you used to come up with your conclusion.