| 1 |
Second moment about mean is also called |
- A. mean
- B. variance
- C. skewness
- D. standard deviation
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| 2 |
The range of a normal distribution 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;">—∞ to 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;">—∞ to 0</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;">—∞ to + </span><span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">∞</span>
- D. 0 to <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">∞</span>
|
| 3 |
All odd ordered moments about mean are ______ in a normal distribution. |
- A. Zero
- B. Unity
- C. Positive
- D. Negative
|
| 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
|
| 5 |
The shape of the normal distribution is like |
- A. J.
- B. L
- C. bell
- D. circle
|
| 6 |
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
|
| 7 |
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
|
| 8 |
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>
|
| 9 |
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
|
| 10 |
The maximum ordinate of a normal curve is at X = ________. |
|
