Use the chi square test to obtain your answers

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Reference no: EM133181727

Question 1:

Examine the following 3x2 table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test proves less appropriate due to too many expected cell values being <5; in which case use the Fisher's exact test.

 

Measurement options

Management options

Environmental options

Females

24

16

7

Males

10

16

6

Table: Numbers of MPH students selecting between three "concentration options
Submit your answer. Give the answer correct to THREE decimal places. You have only ONE attempt available. The p-value is Pr = ...?

Question 2:
Examine the following 3x2 table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test proves less appropriate due to too many expected cell values being <5; in which case use the Fisher's exact test.

 

Measurement options

Management options

Environmental options

Females

24

16

7

Males

10

16

6

Table: Numbers of MPH students selecting between three "concentration options
Submit the correct answer. Give this answer correct to ONE decimal place. You have only ONE attempt available. The smallest expected cell count was .....?

Question 3:

Examine the following 3x2 table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test proves less appropriate due to too many expected cell values being <5; in which case use the Fisher's exact test.

 

Measurement options

Management options

Environmental options

Females

24

16

7

Males

10

16

6

Table: Numbers of MPH students selecting between three "concentration options
Submit the correct answer. Which ONE of the following statements about the null hypothesis is correct? [Note: heterogeneous means "diverse, or variable, in nature"]

The proportion of females does not vary across the three options
The proportion of females does vary across the three options
The proportions of men and women, by option, are heterogeneous
The proportions of men, by option, are heterogeneous

Question 4:

Examine the following 3x3 table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test proves less appropriate due to too many expected cell values being <5; in which case use the Fisher's exact test.

 

Region A

Region B

Region C

Rural

5

2

5

Peri-urban

40

30

20

Urban

60

80

70

Table: Numbers of TB patients notified by Region and rural/peri-urban/urban residence
Submit your answer. Give the answer correct to THREE decimal places. You have only ONE attempt available. The p-value is Pr = ...?

Question 5:

Examine the following 3x3 table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test proves less appropriate due to too many expected cell values being <5; in which case use the Fisher's exact test.

 

Region A

Region B

Region C

Rural

5

2

5

Peri-urban

40

30

20

Urban

60

80

70

Table: Numbers of TB patients notified by Region and rural/peri-urban/urban residence
Submit the correct answer. Give this answer correct to ONE decimal place. You have only ONE attempt available. The smallest expected cell count was .....?

Question 6:
Examine the following 3x3 table of cell counts and then perform the hypothesis test using Stata. Use the chi square test to obtain your answers unless use of the chi square test proves less appropriate due to too many expected cell values being <5; in which case use the Fisher's exact test.

 

Region A

Region B

Region C

Rural

5

2

5

Peri-urban

40

30

20

Urban

60

80

70

Table: Numbers of TB patients notified by Region and rural/peri-urban/urban residence
Submit the correct answer. Which ONE of the following statements is correct? [Note: heterogeneous means "diverse, or variable, in nature"]

The proportion in each residential category does not vary across the three regions
The proportion in each residential category does vary across the three regions
The observed count exceeds the expected count for urban in region A

The p-value for the Fisher's eact test is higher than the p-value for the Pearson's chis2 test

Reference no: EM133181727

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