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Q1:
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Questions 1 to 4 refer to the following set of data:
2, 7, 7, 8, 9, 12, 15, 20
What is the mode?
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A. 8.5
B. 7
C. 10
D. 18 |
Answer 1:
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Q2:
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What is the mean? |
A. 8.5
B. 7
C. 10
D. 18 |
Answer 2:
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Q3:
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What is the median? |
A 8.5
B. 7
C. 10
D. 18 |
Answer 3:
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Q4:
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What is the range? |
A. 8.5
B. 7
C. 10
D. 18 |
Answer 4:
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Q5:
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The heights of 100 people are measured.
What type of data is this?
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A. continuous
B. discrete |
Answer 5:
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Q6:
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In one sample of 100 pods of peas, the mean was 6 peas per pod.
In another sample of 50 pods, the mean was 8 peas per pod.
The combined mean for the two samples taken together was |
A. exactly 6 peas
per pod
B.between 6 and
7 peas per pod
C. exactly 7 peas
per pod
D. between 7 and 8
peas per pod |
Answer 6:
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Q7:
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A group of students sat a test.
Their mean score was 11.
Another student who scored 29 joins the group.
The mean is now 13.
The number of students in the original group was |
A. 5
B. 8
C. 11
D. 18 |
Answer 7:
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Q8:
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David's best 20 golf scores are given in the table above.
The median is |
A. 72
B. 72.65
C. 73
D. 74 |
Answer 8:
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Q9:
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In the table given above, the mean is |
A. 72
B. 72.65
C. 73
D. 74 |
Answer 9:
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Q10:
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In the table above what is the modescore? |
A. 71
B. 72
C. 73
D. 74 |
Answer 10:
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