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Probability and Statistics Chapter 2 Review Flashcards | StudBud
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Probability and Statistics Chapter 2 Review
Probability and Statistics Chapter 2 Review
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Measures of variation and position.
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
What percentage of the women are between 58.58 and 69.42 inches tall?
95%
81.5%
47.5%
68%
2
What percentage of the data falls in the area shown?
99.7%
95%
97%
68%
3
Find the IQR of the following data
21
22
42
35
4
Frank scored a 1150 on his SAT and Leah scored a 24 on her ACT. Who scored better?
They scored the same
Leah
Frank
5
Find the standard deviation of the sample.
9.25
10.1
8.77
8
6
Find the z-score for 80.
-0.8
1
0.8
0.2
7
Which of these test scores are unusual given the following information?
73.5
88.5
81
82
8
What percentage of the data falls in the area shown?
68%
95%
97%
99.7%
9
Which set of data has the smallest standard deviation?
4
2
1
3
10
What is the 5 number summary for the following data set?
(1, 2, 3, 6.5, 9)
(2, 2, 3, 6, 9)
(1, 2, 3, 6, 9)
(1, 2, 4 ,6 ,9)
11
Find the mean of the sample.
52
48.2
48
44
12
What percentage of the data falls in the area shown?
95%
68%
99.7%
97%
13
What percentage of the women are between 61.29 and 69.42 inches tall?
15.85%
68%
95%
81.5%
14
Find the z-score for 69.
-2
3.6
2.5
-3.6
15
What are the outliers in this set of data?
7 and 9
No Outliers
9
1
16
What percentage of women are between 66.71 and 69.42 inches tall?
13.5%
68%
34%
47.5%
