Question:

Which of the following is not a type of nonrandom sampling

A.

cluster sampling

B.

convenience sampling

C.

quota sampling

D.

purposive sampling

Answer» a. cluster sampling

Question:

Which of the following would be most helpful in the construction of a pie chart

A.

cumulative percentages

B.

ogive

C.

relative frequencies

D.

frequency distribution

Answer» b. ogive

Question:

A student evaluation of teaching effectiveness for a particular course asks students torespond to their level of agreement with several statements according to the scale 1 = Strongly Agree, 2 = Agree, 3 = Neutral, 4 = Disagree, and 5 = Strongly Disagree. The responses indicate what level of measurement?

A.

ordinal

B.

ratio

C.

nominal

D.

interval

Answer» a. ordinal

Question:

A _____ refers to the group in your study whereas a ______ refers to a distinct group ofpeople

A.

population; sample

B.

sample; population

C.

sample; cohort

D.

participant; population

Answer» b. sample; population

Question:

A teacher had 5 students who took a test. Their test scores are as follows: 62, 86, 72, 66,72. What is the mode of the test

A.

72

B.

86

C.

62

D.

86

Answer» a. 72

Question:

A _______ would be an effective tool to assess the relationship between the grade earnedin a class and the number of hours spent studying

A.

scatter diagram

B.

bar chart

C.

histogram

D.

pie chart

Answer» a. scatter diagram

Question:

What is the median in the following numbers: 19, 21, 18, 17, 18, 22, 46

A.

19

B.

18

C.

17

D.

21

Answer» a. 19

Question:

________was developed to measure changes in the cost of living in order to determinethe wage increases necessary to maintain a constant standard of living.

A.

price index

B.

sensex

C.

correlation

D.

regression

Answer» a. price index

Question:

The weighing factor, used in the exponential smoothing method, is always a numberbetween ______

A.

zero and ten

B.

five and ten

C.

zero and one

D.

zero and negative one

Answer» c. zero and one

Question:

Which of the following is true concerning observation method of data collection

A.

it takes less time than self-report approaches

B.

it costs less money than self-report approaches

C.

it is often not possible to determine exactly why the people behave as they do

D.

all of the above

Answer» c. it is often not possible to determine exactly why the people behave as they do