METHODS OF DATA ANALYSIS
MEASURES OF DISPERSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The variance of a set of the data is 35. If each value in the set of the data is multiplied by 2, find the new variance.
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35
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70
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105
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140
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Explanation:
Detailed explanation-1: -Adding 5 to every value in a data set has no effect on the standard deviation of the data set.
Detailed explanation-2: -∴ Variance is 64 The RRB NTPC exam is conducted to fill up a total number of 35281 vacant posts.
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