| 1 |
In a normal distribution β<sub>1</sub> = 0 and β<sub>2</sub> = __________. |
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| 2 |
Points of inflexion of normal curve are at |
- A. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">μ and σ</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;">x=μ-σ and x=μ+σ</span>
- C. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">μ and 2σ</span>
- D. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">μ = o</span>
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| 3 |
The normal distribution is represented as_______ |
- A. N (μ,σ<sup>2</sup>)
- B. N (n,p)
- C. N (0,σ<sup>2</sup>)
- D. None of these
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| 4 |
Second moment about mean is also called |
- A. mean
- B. variance
- C. skewness
- D. standard deviation
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| 5 |
In case of symmetrical distribution |
- A. μ<sub>1</sub> = μ<sub>2</sub> = μ<sub>3</sub> = μ<sub>4</sub>
- B. β<sub>1</sub> = β<sub>2</sub>
- C. P<sub>1</sub> < P<sub>2</sub>
- D.
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| 6 |
The maximum ordinate of a normal curve is at X = ________. |
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| 7 |
In case of normal distribution maximum value of ordinate is |
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| 8 |
For normal distribution mean always lies between. |
- A. Median and mode
- B. Median and Q<sub>1</sub>
- C. Median and Q<sub>3</sub>
- D. None of these
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| 9 |
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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| 10 |
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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