| 1 |
The total area under the normal curve is________. |
- A. Zero
- B. Equal
- C. Unity
- D. True
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| 2 |
The Quartile deviation (Q.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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| 3 |
In a normal distribution,_____= μ + 0.64745 σ |
- A. Q<sub>1</sub>
- B. Q<sub>3</sub>
- C. μ
- D. σ
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| 4 |
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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| 5 |
In a normal distribution β<sub>1</sub> = 0 and β<sub>2</sub> = __________. |
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| 6 |
If X - N (50,25), then=σ = ________. |
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| 7 |
The normal distribution is a _______. |
- A. Positive
- B. Negative
- C. Discrete
- D. Continuous
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| 8 |
The moment coefficient of skewness 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. S<sub>k</sub>
- D. m<sub>3</sub>
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| 9 |
|
- A. β<sub>1</sub>
- B. β<sub>2</sub>
- C. β<sub>3</sub>
- D. S<sub>k</sub>
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| 10 |
The probability density function has ------------------ value for every value of x. |
- A. negative
- B. positive
- C. minimum
- D. maximum
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