The following sample data give the number of daily and Sunday newspapers published in each of the 13 western states during 2000:
7, 16, 32, 29, 6, 12, 11, 8, 18, 19, 6, 24, 9
1. Calculate the mean, standard deviation and variance for these data (round off answers correct to two decimal places)
2. What type of data is this?