Statistical Averages - JSS1 Mathematics Past Questions and Answers - page 1
1
What is the mode of the dataset {2, 3, 4, 4, 5, 5, 6}?
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A
2
B
4
C
5
D
6
2
Which measure of central tendency is most affected by outliers in a dataset?
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A
Mode
B
Median
C
Mean
D
None of the above
3
In the dataset {8, 12, 15, 15, 20}, what is the median?
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A
12
B
15
C
16
D
20
4
If a dataset has an even number of values, how is the median calculated?
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A
By taking the average of the two middle values
B
By taking the first middle value
C
By taking the last middle value
D
None of the above
5
What is the mean of the dataset {4, 6, 8, 10}?
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A
6
B
7
C
8
D
9
6
If a dataset has no repeated values, what can we say about the mode?
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A
The mode cannot be determined
B
There is no mode
C
The mode is equal to the median
D
None of the above
7
Which measure of central tendency is most appropriate for skewed distributions?
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A
Mode
B
Median
C
Mean
D
All of the above
8
If a dataset has two modes, it is referred to as:
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A
Bimodal
B
Multimodal
C
Unimodal
D
None of the above
9
Calculate the mode of the following dataset: {3, 5, 5, 7, 8, 8, 8, 10}.
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10
Find the median of the dataset: {12, 15, 18, 20, 23}.
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