1 How are the mean and median related when the set of data h

1. How are the mean and median related when the set of data has a skewness of -0.94? 2. How would you describe the Kurtosis of the data presented in Figure 1 below? 40 35 32 30 27 27 25 20 15 10 0 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 Measurement Figure 1. Provided by SPC for EXCEL (spcforexcel.com)

Solution

1) skewness is negative, so this is left skewed.

So, mean will be less than Median

2) kurtosis is zero. Because this is symmetric distribution.