Midterm Math Worksheet With Answers - Dr. Lily Yen, 2015
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6Math 101-02
Midterm 1
Name:
Fall 2015
Score:
/54
Show all your work
Dr. Lily Yen
A TI-83/84 calculator allowed.
Problem 1: Identify the variable in each of the following as discrete or continuous.
continuous
a. The monthly water usage at Capilano University
discrete
b. The cost of lecture notes in the Bookstore.
c. The difference in the number handshakes made by Prime Minister Harper compared
discrete
to those made by Mr. Trudeau on the election campaign trail today.
Score:
/3
Problem 2: Use your calculator to evaluate the following. Round your answers to 4 decimal
places.
8.5512
32.17
11.78
a.
12.39/ 27
2.9999
7
3
2
4
b. 3
15
11
Score:
/3
Problem 3: Define a statistic.
A statistic is a single measure of some attribute of a sample.
Score:
/1
Problem 4: Identify the type of sampling method used: random, simple random, system-
atic, stratified, cluster, or convenience.
a. Every 20th registered biker in Tour de France race is subjected to a drug test.
systematic
b. All students of our class in Capilano University are chosen to receive a sample cereal
cluster
pack each.
c. Lily asks the first five students who arrive for today’s test the number of hours they
convenience
studied for this test.
d. A computer randomly generates 20 student numbers from registered students this
simple random sample, random
semester for a survey.
e. Divide registered students at Cap by their programs. Ask 10 students in each program
to organize fund raising for United Way Campaign.
stratified
Score:
/5
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