| 1 |
Normal distribution is |
- A. unimodal
- B. bimodal
- C. trimodal
- D. multimodal
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| 2 |
μ - 2σ to=μ + 2σ contains approximately_______ area. |
- A. 75%
- B. 50%
- C. 95.45%
- D. 99.73%
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| 3 |
The normal distribution is a bell shaped_______ distribution. |
- A. Discrete
- B. Continuous
- C. Symmetrical
- D. Skewed
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| 4 |
Total probability under the normal curve is |
- A. 1
- B. 0
- C. -1
- D. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">∞</span>
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| 5 |
The probability density function has ------------------ value for every value of x. |
- A. negative
- B. positive
- C. minimum
- D. maximum
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| 6 |
The normal distribution is --------------------distribution. |
- A. positively skewed
- B. negatively skewed
- C. symmetrical
- D. peaked
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| 7 |
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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| 8 |
Normal distribution ranges from_______. |
- A. 1,2,3,............∞
- B. -∞ to +∞
- C. 1,2,3,.........n
- D. None of these
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| 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
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| 10 |
In normal distribution. |
- A. Mean > median > mode
- B. Mean = median = mode
- C. Mean < median < mode
- D. None of these
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