Author Question: A cumulative relative frequency distribution shows a. the proportion of data items with values less ... (Read 178 times)

APUS57 · **on:** Jun 24, 2018

A cumulative relative frequency distribution shows
a. the proportion of data items with values less than or equal to the upper limit of each class.
b. the proportion of data items with values less than or equal to the lower limit of each class.
c. the percentage of data items with values less than or equal to the upper limit of each class.
d. the percentage of data items with values less than or equal to the lower limit of each class.

Question 2

The focus of smoothing methods is to smooth out
a. the random fluctuations.
b. wide seasonal variations.
c. significant trend effects.
d. long range forecasts.