| 1 |
In case of normal distribution the area to the left of the mean and area to the right of the mean is |
- A. positive
- B. negative
- C. equal
- D. unequal
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| 2 |
If X - N (50,25), then=σ = ________. |
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| 3 |
In a normal distribution β<sub>1</sub> = 0 and β<sub>2</sub> = __________. |
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| 4 |
The mean deviation (M.D) of a normal distribution is ________. |
- A. 4/5 σ
- B. 5/4 σ
- C. 2/3 σ
- D. None of these
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| 5 |
All odd order moments about mean are |
- A. unique
- B. zero
- C. different
- D. one
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| 6 |
The moment Coefficient of kurtosis is |
- A. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">β<sub>1</sub></span>
- B. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">β<sub>2</sub></span>
- C. Zero
- D. m<sub>2</sub>
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| 7 |
The total area under the normal curve is________. |
- A. Zero
- B. Equal
- C. Unity
- D. True
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| 8 |
The normal distribution is --------------------distribution. |
- A. positively skewed
- B. negatively skewed
- C. symmetrical
- D. peaked
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| 9 |
μ - 2σ to=μ + 2σ contains approximately_______ area. |
- A. 75%
- B. 50%
- C. 95.45%
- D. 99.73%
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| 10 |
The point of inflection in normal distribution are _______. |
- A. μ - σ, μ + σ
- B. μ - σ, μ + 2σ
- C. μ, σ
- D. None of these
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