Decision Science Assignment

In continuation with the data  of performance scores of employees in previous example, perform the  following: a. Calculate the range and interquartile range. b. Calculate  the z- scores. c. Calculate the skewness and Kurtosis (using excel). d.  Comment.  

In continuation with the data  of performance scores of employees in previous example, perform the  following: a. Make the histogram b. Plot the box-plot diagram c. Plot  the frequency polygon d. Plot the Ogive diagram.

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