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Central Tendencies Unit Review- Mr. P
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by Frank P
| 10 Questions
Note from the author:
Precalculs Statistics Unit Review
1
1 pt
What is the mean of the data: 245, 167, 203, 146, 288, 289, 231, 105, 98
A. 288
B. 203
C. 196.9
D. None of the above
2
1 pt
What is the median of the data: 245, 167, 203, 146, 288, 289, 231, 105, 98
A. 288
B. 203
C. 196.9
D. None of the above
3
1 pt
What is the mode of the data: 245, 167, 203, 146, 288, 289, 231, 105, 98
A. 288
B. 203
C. 196.9
D. None of the above
4
1 pt
What is the standard deviation for the following data set:
245, 167, 203, 146, 288, 289, 231, 105, 98
A. 4667.43
B. 42006.9
C. 64.5
D. 68.3
5
1 pt
True or False: The z-score for 24.1, in a distribution whose mean is 20.6 and standard deviation is 2.8 is equal to -1.25
True
False
6
1 pt
True or False: The z-score for 130, in a distribution whose mean is 100 and standard deviation is 15 is equal to -2.
True
False
7
1 pt
What is the sum of squared deviations for the following data set:
10, 18, 12, 15, 16, 13
8
1 pt
What is the standard deviation for the following data set:
10, 18, 12, 15, 16, 13
9
1 pt
Using box plots, determine whether this data set contains any outliers. What are the outliers (if any)? :
21, 23, 33, 49, 25, 24
10
1 pt
Using box plots, determine whether this data set contains any outliers. What are the outliers?:
10.2, 14.1, 14.4, 14.4, 14.4, 14.5, 14.5, 14.6, 14.7, 14.7, 14.7, 14.9, 15.1, 15.9, 16.4
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