Instructions: Multiple choice. Choose the correct answer.

1. Consider the following excerpt from an article: Studies have shown the women spend significantly more time on the phone than men. Which division of statistics is being shown in the article above?

A. Descriptive Statistics

B. Inferential Statistics

C. Both Descriptive and Inferential

D. Neither Descriptive nor Inferential

2. Consider the following situation: In order to gather as many responses as possible for a survey you are undertaking, you asked your friend to distribute the questionnaire to his/her acquaintances who, in turn, shared it to their own connections as long as they satisfy the inclusion-exclusion criteria of the research. Which of the following best describes the sampling technique described above?

A. Convenience Sampling

B. Snowball Sampling

C. Quota Sampling

D. Modal Instance Sampling

3. Professor Miguel wants to ensure he is thorough in his review of student performance, so he decides to calculate 'standard deviation' as well. What must Professor Miguel do to figure out this measure of variability?

A. Identify the central score.

B. Find the score that occurs most often.

C. Identify how far from average each score is.

D. Subtract the lowest score from the highest score

4. How do you get the standard deviation if you have the variance?

A. Take the square root

B. Square it

C. Take the reciprocal

D. Subtract the mean

5. Which of the following is a false statement?

A. Ordinal data can be represented by numbers.

B. Nominal data can be represented by numbers.

C. Interval data can be used to group variables.

D. Nominal data are strictly qualitative.

6. Professor Miguel has just given a math exam and wants to calculate the 'range' of performance of his students. What must he do?

A. Identify the central score.

B. Find the score that occurs most often.

C. Identify how far from average each score is.

D. Subtract the lowest score from the highest score

7. What type of sampling technique is used in the situation above?

A. Cluster

B. Random

C. Stratified

D. Systematic

8. How many respondents should be chosen from Luzon?

A. 125

B. 150

C. 175

D. 200

9. How many respondents should be chosen from Visayas?

A. 94

B. 107

C. 128

D. 147

10. What is the level of measurement of the variable "Number of owner of laundry business"?

A. Nominal

B. Ordinal

C. Interval

D. Ratio