Name: ______________________________
Algebra 1
Date: _________________ Block: ________
Homework #2
1. These box-and-whisker plots summarize the percent of the workforce employed in
agriculture, industry, and service jobs in 20 towns.
Which statement is not true?
A.
B.
C.
D.
Industry has the greatest median value.
Service has the range with the least value.
Agriculture has the range with the greatest value.
Industry has the interquartile range with the least value.
2. The plot shown below shows the number of hours students spend watching TV in
one week. If there are 24 students total represented in the data, use the box and whisker
plot shown below to answer the following questions:
The percentage of students who watch 21 hours or more?
_____________
The number of students who watch 21 hours or more?
_____________
The percentage of students who watch 24 hours or less?
_____________
The number of students who watch 24 hours or less?
_____________
The percentage of students who watch 18 hours or less?
_____________
The number of students who watch 18 hours or less?
_____________
3. The weights (in pounds) of ten pumpkins are: 22, 21, 24, 24, 5, 24, 5, 23, 24, and 24.
Find the following using Scientific Calculator:
a) Mean: _____
e) Lower Extreme: _____ i) Outliers? _____ (see k)
b) Median: _____ f) Lower Quartile: _____ k) If so, what is it? ___________
c) Mode: _____
g) Upper Quartile: _____
d) Range: _____
h) Upper Extreme: _____ l) Interquartile range: ___