Statistics MCQs

Page No. 7

For +ve and -ve skewed, check the sign of _______?


aβ1

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bµ2

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cβ2

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dµ3

✓


View Answer µ3

Total area under the normal curve is________?


a100

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b1

✓


c50 %

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d1%

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View Answer 1

Normal distribution is _____ distribution?


aSymmetrical

✓


bnon-symmetrical

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c+ vely skewed

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d -vely skewed

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View Answer Symmetrical

Area to the right of (z=0) is the area for ____ values of z?


aZero

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bNegative

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cPositive

✓


dNone

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View Answer Positive

The standardized normal variate z means_________ away from the mean?


aMean

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bS.D.

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cVariance

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dnone

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View Answer S.D.

In a normal distribution, what is the z score associated with the mode ?


a-1

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b0

✓


c+1

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dnone

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View Answer 0

If X ˜ N (µ, σ2) then Z ˜__________?


aN(0, σ2)

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bN(1, σ2)

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cN(0, 1)

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d N(1, 1)

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View Answer N(0, 1)

Normal distribution is the distribution of _______________?


a Discrete r.v.

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bContinuous r.v.

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cQualitative variable

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dQuantitative variable

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View Answer Continuous r.v.

In normal distribution, mean ______= Mode?


aQuartile

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bMean deviation

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cMedian

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d S.D.

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View Answer Median

Area of normal distribution total is equal to _______?


aTwo

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bOne

✓


cFour

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dThree

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View Answer One

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