GRAVETTER_CH02_FREQ DIST & FREQ DIST TABLELS

Question 1

This is an organized tabulation of the number of individuals located in each category on the scale of measurement.

Answer 1

A frequency distribution.

Question 2

TRUE OR FALSE: A frequency distribution can be structured either as a table or a graph.

Answer 2

TRUE.

Question 3

THINK! How can you find the total number of individuals in a study using the frequency distribution table

Answer 3

Add up all the frequencies (f) to get N.

Question 4

THINK! What are the two components of a frequency distribution table?

Answer 4

The frequency and the score.

Question 5

Measures the fraction of the total group that is associated with each score.

Answer 5

Proportion. (p)

ex. if 2 out of 10 people had a score (X) of 4, then the proportion would be 2/10 = 0.20

Question 6

THINK! Why are proportions also called relative frequencies?

Answer 6

Because they describe the frequency (f) in relation to the total number (N).

Question 7

How do you get a percentage from a proportion?

Answer 7

Multiply the proportion by 100.

% = p(100)