KILOWATT-HOURS OF ELECTRICITY USED

MONTH KWH USED/ MONTH DWH USED
JAN 2,640 JUL 960
FEB 2,190 AUG 1,380
MAR 1,500 SEP 1,110
APR 1,620 OCT 840
MAY 1,440 NOV 1,260
JUN 1,080 DEC 1,820

A. Describe how to find the range of

the data set.

B. Find the range.

2 answers

range is the difference between the least and the greatest values

So, look at the data and do the math.
Thank you Steve. I understand now.