Alliant- CPCE Random (difficult)(unfinished)

Research/ Statistics

100

What is a histogram? 

A. Indicates the frequency for each value of y

B. Indicates the frequencies for each value of x

C. Shows the movement of data points

D. Identifies the pattern of scores in the distribution

B. Indicates the frequencies for each value of X

200

What is variance? 

Represents how close the scores are to the mean 

300

What is a z-score? 

provides information about how far a person is from the mean 

Central Tendency

100

What are the most common measures of central Tendency? 

Mean, median, and mode

200

What is the most common use of central tendency? 

A. Mean

B. Median

C. Mode

D. Measure

A. Mean

300

What is the median and how would you find it? 

It is the midpoint, you rank the order and then find the middle

400

Which central tendency is not the most reliable? 

A. Range

B. Mode

C. Mean

D. Distribution

B. Mode