A student named Russell does a survey concerning the amount of sleep his fellow

Question

A student named Russell does a survey concerning the amount of sleep his fellow students are getting. Having taken a sample of students and asked each student the total amount of sleep he/she has had over the past week, he discovers that one of the responses is an outlier. Russell strongly suspects that this response was untrue, but he does not feel able to exclude it from his data set. In order to summarize the center and the spread of the complete set of responses he should quote the (A) mean and the standard deviation (B) mean and the interquartile range (C) mean and the range (D) median and the interquartile range (E) median and the range

Explanation / Answer

Ans: In order to summarize the data set, he/she do the following thing:

(A) mean and standard deviation.

Mean is the measure of central tendency and standard deviation is the measure of dispersion .

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