Question 1

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Which of the following is the best null hypothesis (H0) for this study?

A. Gingko biloba has no effect on enhancing memory and retention

B. Gingko biloba has an effect on enhancing memory and retention

C. Gingko biloba has no effect on enhancing memory and retention of 4th year high school students

D. Gingko biloba has an effect on enhancing memory and retention of 4th year high school students

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Which of the following is the best null hypothesis (H0) for this study?

A. Gingko biloba has no effect on enhancing memory and retention

B. Gingko biloba has an effect on enhancing memory and retention

C. Gingko biloba has no effect on enhancing memory and retention of 4th year high school students

D. Gingko biloba has an effect on enhancing memory and retention of 4th year high school students

Answer

C. Gingko biloba has no effect on enhancing memory and retention of 4th year high school students

Question 2

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Which of the following best represents the alternative

hypothesis (Ha) for this study?

A. Gingko biloba has no effect on enhancing memory and retention

B. Gingko biloba has an effect on enhancing memory and retention

C. Gingko biloba has no effect on enhancing memory and retention of 4th year high school students

D. Gingko biloba has an effect on enhancing memory and retention of 4th year high school students

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Which of the following best represents the alternative

hypothesis (Ha) for this study?

A. Gingko biloba has no effect on enhancing memory and retention

B. Gingko biloba has an effect on enhancing memory and retention

C. Gingko biloba has no effect on enhancing memory and retention of 4th year high school students

D. Gingko biloba has an effect on enhancing memory and retention of 4th year high school students

Answer

D. Gingko biloba has an effect on enhancing memory and retention of 4th year high school students

Question 3

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Which of the following is the average P value as threshold to determine the plausibility of the null hypothesis?

A. P=0.05

B. P=0.01

C. P=0.001

D. P=0.5

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Which of the following is the average P value as threshold to determine the plausibility of the null hypothesis?

A. P=0.05

B. P=0.01

C. P=0.001

D. P=0.5

Answer

A. P=0.05

Question 4

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

If the study is statistically highly significant, it would reflect a p value of?

A. p=0.05

B. p=0.01

C. p=0.001

D. p=0.5

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

If the study is statistically highly significant, it would reflect a p value of?

A. p=0.05

B. p=0.01

C. p=0.001

D. p=0.5

Answer

C. p=0.001

Question 5

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Supposed that your alternative hypothesis has a 1 in a hundred chance of accepting the null hypothesis, has a 99% chance of being correct, and has a 1 in a hundred chance that the null hypothesis is true. Your P value will be?

A. P=0.99

B. P=0.01

C. P=0.001

D. P=0.5

Situation: You are a nurse conducting a statistical analysis in your research entitled “The Effect of Gingko Biloba in Enhancing Memory and Retention Among 4th Year High School Students.”

Supposed that your alternative hypothesis has a 1 in a hundred chance of accepting the null hypothesis, has a 99% chance of being correct, and has a 1 in a hundred chance that the null hypothesis is true. Your P value will be?

A. P=0.99

B. P=0.01

C. P=0.001

D. P=0.5

Answer

B. P=0.01

Question 6

All but one of the following is a measure of central tendency.

A. Mode

B. Variable

C. Standard deviation

D. Range

All but one of the following is a measure of central tendency.

A. Mode

B. Variable

C. Standard deviation

D. Range

Answer

A. Mode

Question 7

It reflects the most frequent value that appears in the set data.

A. Mean

B. Mode

C. Median

D. Ratio

It reflects the most frequent value that appears in the set data.

A. Mean

B. Mode

C. Median

D. Ratio

Answer

B. Mode

Question 8

In the values: 87, 85, 88, 92, 90, the mean is:

A. 88.2

B. 88.4

C. 87

D. 90

In the values: 87, 85, 88, 92, 90, the mean is:

A. 88.2

B. 88.4

C. 87

D. 90

Answer

B. 88.4

Question 9

In the values: 80, 80, 80, 82, 82, 90, 90, 100, the mode is:

A. 80

B. 82

C. 90

D. 85.5

In the values: 80, 80, 80, 82, 82, 90, 90, 100, the mode is:

A. 80

B. 82

C. 90

D. 85.5

Answer

A. 80

Question 10

In the values: 80, 80, 10, 10, 25, 65, 100, 200, the median is:

A. 71.25

B. 22.5

C. 10 and 25

D. 72.5

In the values: 80, 80, 10, 10, 25, 65, 100, 200, the median is:

A. 71.25

B. 22.5

C. 10 and 25

D. 72.5

Answer

D. 72.5