Subject
Bank Exam
Topic
Bangladesh Krishi Bank 2012 (Sr. Officer))
A researcher computed the mean, the median and the standard deviation for a set of performance scores. If 5 were to be added to each score, which of these three statistics would change?
A researcher computed the mean, the median and the standard deviation for a set of performance scores. If 5 were to be added to each score, which of these three statistics would change?
ক)
The mean onlyখ)
The median onlyগ)
The standard deviation onlyঘ)
The mean and the medianExplanation
If we add or subtract a constant to each term in a set the standard deviation will not change.. If we add (or subtract) a constant to each term in a set the mean and the median will increase (decrease) by the value of that constant.Related questions
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