Central Tendencies Unit Review- Mr. P
starstarstarstarstarstarstarstarstarstar
by Mr. Perfetto
| 10 Questions
Note from the author:
Precalculs Statistics Unit Review
1
1
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
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
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
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
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
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
What is the sum of squared deviations for the following data set:
10, 18, 12, 15, 16, 13
8
1
What is the standard deviation for the following data set:
10, 18, 12, 15, 16, 13
9
1
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
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
Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.