Algebra 1
Name:______________________
Homework: Review for Box and Whisker Plot Quiz
Date:__________ Block:_______
Data set #1: 26, 47, 19, 26, 27, 33, 24, 22, 29, 22, 21, 31
Data Set #2: 37, 47, 20, 45, 42, 43, 33, 27, 25, 35, 46, 24
Draw 2 box and whisker plots using the number line below.
1) For Data Set #1: Find the following:
a) Mean: _____
e) Lower Extreme: _____
i) Outliers? _____
b) Median: _____
f) Lower Quartile: _____
k) If so, what is it?
c) Mode: _____
g) Upper Quartile: _____
___________
d) Range: _____
h) Upper Extreme: _____
l) Interquartile range: ___
2) For Data Set #1: Find the following:
a) What percent of the numbers are less than 26? _________
b) What percent of the numbers are between 22 and 33? ________
c) What percent of the numbers are greater than 30? _______
3) Looking at page 1 and the box and whisker plots, find the following:
In plot 1:
a) How many numbers are less than 22? ___ b) How many numbers are less than 26? ___
In plot 2:
c) How many numbers are between 26 and 44? ______
d) How many numbers are greater than 26? ______
Looking at both plots:
e) How many numbers are greater than 26 ? ________
f) How many numbers are less than 26 ? ________
4) Use the box and whisker plot below to identify the following:
a) Median: _____
b) Lower Extreme: _____
c) Outlier(s)? Yes or No
d) Lower Quartile: _____
e) Range: _____
f) If so, what is it? ______
g) Upper Quartile: _____
h) Upper Extreme: _____
i) Interquartile range: ___
J) If the number 9 was added to the data, what above would be MOST affected? ___________
k) If the number 16 was added to the data, what above would be MOST affected? __________
L) If the number 24 was added to the data, what above would be MOST affected? __________
M) If the number 25 was added to the data, what would NOT be affected? _____
A) Lower extreme B) Upper extreme C) Range
D) Upper quartile
E) Median