PSU STAT 200 MASTERY QUIZ 1

1.

Which statistic may be used to summarize a set of categorical data?

A)Percent in each category

B)Median

C)Mean

Feedback:Mean and median are statistics that describe a quantitative data set. The percent that falls in each category can be used to describe a categorical data set.

Points Earned:

0.0/1.0

Correct Answer(s):

A

2.

In order to employ the Empirical Rule which one of the following is true?

A)The data needs to be Empirical.

B)The data needs to be bell shaped

C)The data needs to be normal

D)The Empirical Rule works for any data set.

Feedback:The data needs to be bell shaped. Normal is a specific type of bell shaped distribution, but is not necessary to employ the Empirical Rule.

Points Earned:

1.0/1.0

Correct Answer(s):

B

3.

A study...