| 1 |
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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| 2 |
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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| 3 |
All odd ordered moments about mean are ______ in a normal distribution. |
- A. Zero
- B. Unity
- C. Positive
- D. Negative
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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 |
Normal distribution is |
- A. unimodal
- B. bimodal
- C. trimodal
- D. multimodal
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| 6 |
P ( | Z | > a) = |
- A. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">2</span><span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">ø(a) - 1</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;">ø(a)</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;">2 ø (-a)</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;">1-ø(a)</span>
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| 7 |
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>
|
| 8 |
The maximum ordinance of the standard normal Curve is at Z = ______. |
- A. 1.96
- B. 2.33
- C. 1
- D. 0
|
| 9 |
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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| 10 |
In a normal distribution β<sub>1</sub> = 0 and β<sub>2</sub> = __________. |
|