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WorksheetsTSI Statistic and Data Analysis 2
Total questions: 10
Worksheet time: 37mins
Name
Class
Date
1.
33, 25, 42, 25, 31, 37, 46, 29, 38
What is the interquartile range of the data?
What is the interquartile range of the data?
a)
8
b)
9
c)
13
d)
21
2.
What is the median of the data?
a)
200
b)
100
c)
90
d)
140
3.
What is Millersburg's Q3 value?
a)
200
b)
260
c)
220
d)
140
4.
Which car club has the higher median?
a)
Cruisers
b)
Car Hops
5.
What is the IQR of the Cruisers?
a)
4
b)
6
6.
What is the range of the Cruisers?
a)
9
b)
13
7.
Find the median.
12, 5, 9, 18, 22, 25, 5
12, 5, 9, 18, 22, 25, 5
a)
9
b)
8
c)
12
d)
18
8.
Find the mode.
12, 5, 9, 18, 22, 25, 5
12, 5, 9, 18, 22, 25, 5
a)
22
b)
18
c)
9
d)
5
9.
Suppose that a certain insect has a mean lifespan of 5.6 days with a standard deviation of 1.2 days. Assume the lifespan is normally distributed. Calculate the percentage of insects with a lifespan between 3.2 and 8 days.
a)
34%
b)
95%
c)
84%
d)
68%
10.
479 freshman at Woodrow Wilson took an Algebra test. The scores were distributed normally with a mean of 68 and a standard deviation of 6. How many students scored between 62 and 86?
a)
325
b)
390
c)
401
d)
455
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