NORMAL DISTRIBUTION Flashcards

1
Q

the area under the part of the normal curve that lies within 1 STANDARD DEVIATION

A

68.26%

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2
Q

the area under the part of the normal curve that lies within 2 STANDARD DEVIATIONS

A

95.44%

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3
Q

the area under the part of the normal curve that lies within 3 STANDARD DEVIATIONS

A

99.74%

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4
Q

mean = median = mode

A

normal distribution

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5
Q

how far from sample / population mean a data point is

A

z-score / standard score (z)

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6
Q

P (-2.25 < z < 0)

A

0.4878

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