compute the descriptive statistics for BEng (column D). Calculate

(i) mean - standard deviation (correct to 1 decimal place)

(ii) mean + standard deviation (correct to 1 decimal place)

(iii) Using the empirical rule how many data points are expected to be within one standard deviation to either side of the mean (nearest whole number)?

(iv) In the data file, count how many actual sample data points for BEng are within the range of one standard deviation to either side of the mean (nearest whole number)?

?

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