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Question

In a large random data set following normal distribution, the ratio (%) of number of data points which are in the range of (mean ± standard deviation) to the total number of data points, is

a.

~ 50%

b.

~ 67%

c.

~ 97%

d.

~ 47%

Posted under UGC NET general paper Research Aptitude

Answer: (b).~ 67%

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Q. In a large random data set following normal distribution, the ratio (%) of number of data points which are in the range of (mean ± standard deviation) to the total number of data...
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