
Statistics Skills Assessment
Authored by Mahira Zeeshan
Others
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mean of the following set of numbers: 4, 8, 6, 5, 3?
5.2
4.5
6.0
5.0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the median of this data set: 12, 15, 11, 14, 13.
14
13
15
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mode of the numbers: 2, 3, 4, 4, 5, 5, 5, 6?
3
5
6
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the mean of a data set is 20 and there are 5 numbers, what is the total sum of the numbers?
100
40
80
60
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the data set: 10, 20, 30, 40, 50, what is the range?
10
40
30
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Interpret the following data set: 5, 7, 8, 10, 12. What can you say about the distribution?
The distribution is positively skewed with a moderate spread.
The distribution has no variation and is uniform.
The distribution is negatively skewed with a wide spread.
The distribution is normally distributed with a tight spread.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the median of a data set is 25, what can you infer about the data?
The average of the data set is 25.
All data points are less than 25.
There are no data points greater than 25.
At least half of the data points are less than or equal to 25, and at least half are greater than or equal to 25.
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