710 Module 11 Lesson 3 Day 3 Exit Slip
Using Statistical Measures to Compare Populations
Name:______________________ Date:__________
Felgenhauer
Alcock
Feeney
The data shows the number of pairs of shoes owned by a random sample of people in two coffee
shops.
STARBUCKS
7, 6, 2, 8, 3, 9, 5, 4, 6, 10
1)
Calculate the mean number of pairs of
shows for Starbucks customers.
Show work.
3) What is the difference in the means?
Show work.
CARIBOU
5, 10, 8, 9, 10, 3, 6, 8, 11, 10
2) Calculate the mean number of pairs of shoes
for Caribou customers.
Show work.
4) What is the range of each data set?
Show work.
Starbucks:
Caribou:
5) Compare the differences of the means as a multiple of the ranges. Circle your answer.
The means of the two data sets differ by about _____________ times the variability (range).
Show work.
a)
b)
c)
d)
1
4
1
6
1
8
1
10
Statistical measures are shown below for the number of minutes per week students at Frost
spent studying and watching TV per day.
Studying : Mean number of minutes spent studying = 35 min
(MAD) Mean absolute deviation = 5
Watching TV : Mean number of minutes spent watching TV = 45 min
(MAD) Mean absolute deviation = 5
6) Find the difference between the
means.
Show work.
8)
Complete the statement. Fill in the blank.
7)
The difference of the means is ___________
times the MAD.
9)
Answer Key:
1) 6
2) 8
3) 2
4) both have a range of 8
5) A
6) 10
7) 2
8) A
9) C