First Name: __________________________________ Last Name: ___________________________________
STATISTICS, DATA ANALYSIS, AND PROBABILITY 49
Name an outlier.
x
x x x x
x 66 67 68 69
65%
71 72 73 74
70%
76 77 78 79
75%
x x x x x x x x
x x x x 81 82 83 84
80%
x x x x x x x x
86 87 88 89
85%
91 92 93 94
90%
Please pick the best answer.
a. 95% b. 80%
x x x x
x x
95%
100%
b. B
How Selected
c. C
B
Every 28th number in the phone book is called and surveyed.
C
Addresses are drawn at random and are sent a survey to complete.
d. Not here
51 Who ran the most miles and how many miles did he run? Miles Ran Each Week
a. David - 29 Joe David
76-
Miles ran
d. Not here
a. A
People at the gym are randomly selected and given a survey.
A
c. 96%
96 97 98 99
50 Jack and Jill want to see how many people exercise on a daily basis in Riverside. They use three different sampling methods to poll a sample of people. Which method results in a biased sample? Sample
page 7
b. Joe - 30 c. David - 30
5-
d. Not here
432-
52
53
Number of weeks
Week 6
-
Week 5
-
Week 4
-
Week 3
-
Week 2
-
Week 1
-
-
1-
Week 7
Peter is having lunch in the cafeteria today. He has 3 choices of sandwich meat, 6 choices of sides, and 7 choices of a drink. How many possible combinations can Peter have? In her drawer, Jenny has 3 blue socks, 6 white socks, and 9 black socks. What is the probability that she will take out a sock that is not white? Property of Oxford Tutoring Center Š 2006. All rights reserved.
a. 16
b. 126
c. 25
d. Not here
a. 1 3 c. 1 2
b. 2 3 d. Not here Number correct: _____/5