1 |
Which one of the following is not effected by extreme values |
- A. mean
- B. median
- C. mode
- D. both (a) and (b)
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2 |
Data which have been arranged in ascending or descending order are called. |
- A. Raw data
- B. Grouped data
- C. Arrayed data
- D. Un grouped data
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3 |
Hourly temperature recorded by weather brave is the example of: |
- A. Discrete variable
- B. Continuous variable
- C. Qualitative
- D. Both A and B
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4 |
The letter used as a symbol for population mean is |
- A. μ<sub>-</sub>
- B. Φ
- C. x
- D. σ
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5 |
The change is whole sale or retail are studied ___________ |
- A. Price index number
- B. Quantity index number
- C. Volume index number
- D. None of these
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6 |
The data about the weights of plants: |
- A. Discrete data
- B. Qualitative data
- C. Continuous data
- D. Quantitative data
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7 |
Probility density function is the probebilyt function of.............. random variable. |
- A. Discrete
- B. Qualitative
- C. Continuous
- D. None
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8 |
E(Y2) -[E(y)]2 is the formula, and to compute. |
- A. Variance of the random variable
- B. Mean of the random variable
- C. Both A and B
- D. None of these
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9 |
If x̅ = 10 and Y = 5 +2x, then Y̅ is. |
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10 |
Mid poitn of the group. 5.5 - 7. 5 in |
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