1.
If the variance of 5 values is 5.6. What is the standard deviation of those values
- A.4.35
- C.2.85
- B.3.95
- D.25.65
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
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2.
| Find the range of the following data | |
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- A.23
- C.25
- B.24
- D.22
- Answer & Explanation
- Report
Answer : [A]
Explanation :
Explanation :
| The maximum value = 151 |
| The minimum value = 128 |
| Range = maximum value – minimum value = 151 – 128 = 23 |
3.
| Calculate the mean of the following | ||||||||||||
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- A.73.2
- C.74.6
- B.75.8
- D.71.5
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
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4.
In a moderately asymmetrical series, the values of arithmetic mean and mode are 26.1 respectively. The value of the median is
- A.35.3
- C.22.4
- B.28.0
- D.25.1
- Answer & Explanation
- Report
Answer : [C]
Explanation :
Explanation :
| Mode = 3 Median – 2 Mean | |||||||||||||||||||
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5.
| In the following table find, the average score of the students | ||||||||||||||
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- A.39
- C.42
- B.40
- D.41
- Answer & Explanation
- Report
Answer : [D]
Explanation :
Explanation :
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