Author Question: The ______________________ shows the number of data items with values less than or equal to the ... (Read 191 times)

elizabeth18 · **on:** Jun 24, 2018

The ___________________ ___ shows the number of data items with values less than or equal to the upper class limit of each class.
a. cumulative frequency distribution b. frequency distribution
c. percent frequency distribution d. relative frequency distribution

Question 2

A _______________ is a graphical summary of data previously summarized in a frequency distribution.
a. box plot b. histogram
c. line chart d. scatter chart

lorealeza77 · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

a
RATIONALE: The cumulative frequency distribution shows the number of data items with values less than or equal to the upper class limit of each class.

Answer to Question 2

b
RATIONALE: A common graphical presentation of quantitative data is a histogram. This graphical summary can be prepared for data previously summarized in a frequency, a relative frequency, or a percent frequency distribution.