Statistics MCQs

Page No. 6

In case of symmetrical distribution?


aβ1=β4

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bMean=Mode=Median

✓


c µ1=µ4

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d µ1=µ2

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View Answer Mean=Mode=Median

If X ˜ N(16,49), the mean is___________?


a49

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b16

✓


c7

✖


d4

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View Answer 16

If Y=5X + 10 and X is N(10,25), then mean of Y is ?


a135

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b50

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c70

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d60

✓


View Answer 60

Area Under the normal curve on either side of mean is _____________?


a0.5

✓


b1

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c2

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d-1

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View Answer 0.5

Which of the following parameter control the relative flatness of normal distribution?


aMode

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bStandard Deviation

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cMean

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dNone

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View Answer Standard Deviation

The shape of normal curve depends upon ?


aMean

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bQuartile

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cStandard deviation

✓


dNone

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View Answer Standard deviation

The value maximum ordinate of a standard normal curve at Z = 0 is:________?


a1

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b0.5

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c0.3989

✓


dNone

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View Answer 0.3989

In a certain normal distribution having µ = 35 and variance = 16, then mode will be_______________?


a3.5

✓


b16

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c4

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dNone

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View Answer 3.5

If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________?


a0

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b-0.32

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c1.2

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d0.2684

✓


View Answer 0.2684

In normal distribution β1 = 0 and β2 is equal to _____________?


a0.5

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b1

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c2

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d3

✓


View Answer 3

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