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Probability & Statistics Review Flashcards | StudBud
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Probability & Statistics Review
Probability & Statistics Review
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Probability and Statistics practice
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
Use the graphic below.
A
B
C
D
2
The possible outcomes of flipping two coins are shown below.
2/3
1/4
3/4
2/4
3
Which set of data has a range with the greatest variation?
25, 32, 51, 18, 44
47, 63, 54, 36, 25
31, 26, 46, 52, 49
81, 70, 56, 65, 58
4
You want to calculate the measure of center to find the most frequent number...
mean
median
mode
range
5
You observe the temperature for a week. The afternoon highs are 44, 42, 49, 57, 54, 51, and 54. What is the range?
25
76
15
78
6
John keeps track of the number of points he scores in each of his basketball games.
3
2
1
4
7
The graph shows the temperatures in Memphis, Tennessee between May 7 and May 11, 2009.
10 degrees
6 degrees
7 degrees
4 degrees
8
The following graph shows the amount of rainfall Muddytown received in a year.
February and September
July and September
March and July
January and December
9
Tommy and Jeremy are pitchers for the baseball team and are being evaluated by the coach.
Tommy has a lower mean speed.
Tommy has a lower median speed.
Tommy has a greater range of speeds.
Jeremy’s median speed is higher than Tommy’s mean speed.
10
The table below shows data collected from a daycare.
8
10
6
9
11
Corey recorded his golf scores each week for a month. His scores for three games are shown.
The mean and the median both increased.
The median decreased and the mean remained the same.
The mean decreased and the median remained the same.
The mean and the median both decreased.
12
Find the median: 54 65 76 19 21
57
19
54
21
13
Which is a measure of center?
mode
median
mean
all of the above
14
The amount of money Alice earned for five weeks is shown.
The median increased and the mean remained the same.
The mean and the median both increased.
The mean and the median both remained the same.
The mean increased and the median remained the same.
15
what is the probability that the combination Jody chooses will include crackers?
2/8
1/8
2/4
4/4
16
Use the diagram below to answer this question.
C
D
B
A
17
Which statement below is NOT true of the range of a set of data?
C
A
D
B
18
The colors of vehicles totaled in collisions are shown. How many of the totaled cars were either black, white, or grey?
39
98
93
75
19
You want to calculate the "average"...
mean
median
range
mode
20
What is the mean for the following set of data: 68, 72, 75, 70
70
71
76
72
21
Which is the best prediction of the number of cars that will be sold during August?
75
100
125
150
22
You want to find the measure of dispersion...
median
mean
range
standard deviation
23
What is the median of the following list of numbers? 33, 21, 42, 19, 42, 12
27
42
26
30
24
Sally recorded her daily grades for one grading period.
88
90
91
92
