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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
25 cards
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Practice quiz
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Questions
25
Answers
1
Sally recorded her daily grades for one grading period.
92
91
88
90
2
You want to find the measure of variation...
mode
mean
median
range
3
Based on the stem-and-leaf plot, what was the lowest score on the math test?
62
87
96
68
4
Tommy and Jeremy are pitchers for the baseball team and are being evaluated by the coach.
Tommy has a greater range of speeds.
Tommy has a lower median speed.
Tommy has a lower mean speed.
Jeremy’s median speed is higher than Tommy’s mean speed.
5
What is the mean for the following set of data: 68, 72, 75, 70
72
76
70
71
6
Use the graphic below.
15
78
25
76
7
Which statement below is NOT true of the range of a set of data?
C
A
B
D
8
Use the graphic below.
D
B
A
C
9
You want to calculate the measure of center to find the most frequent number...
median
mode
range
mean
10
What is the median of the following list of numbers? 33, 21, 42, 19, 42, 12
26
30
42
27
11
Use the diagram below to answer this question.
C
B
D
A
12
John keeps track of the number of points he scores in each of his basketball games.
2
1
4
3
13
Find the median: 54 65 76 19 21
21
57
19
54
14
The graph shows the temperatures in Memphis, Tennessee between May 7 and May 11, 2009.
4 degrees
7 degrees
10 degrees
6 degrees
15
Which is a measure of center?
median
mode
all of the above
mean
16
The amount of money Alice earned for five weeks is shown.
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.
The median increased and the mean remained the same.
17
Which is the best prediction of the number of cars that will be sold during August?
100
125
150
75
18
what is the probability that the combination Jody chooses will include crackers?
4/4
2/4
1/8
2/8
19
You want to calculate the "average"...
mode
mean
range
median
20
Which set of data has a range with the greatest variation?
47, 63, 54, 36, 25
25, 32, 51, 18, 44
31, 26, 46, 52, 49
81, 70, 56, 65, 58
21
Corey recorded his golf scores each week for a month. His scores for three games are shown.
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.
The mean and the median both increased.
22
The following graph shows the amount of rainfall Muddytown received in a year.
February and September
January and December
July and September
March and July
23
The weights of boxes packed for shipping are shown in the stem-and-leaf plot below.
8
7
3
1
24
The table below shows data collected from a daycare.
6
9
8
10
25
The possible outcomes of flipping two coins are shown below.
3/4
2/4
2/3
1/4
