1. Calculate the mean and standard deviation of the following six numbers.

7 9 10 10 11 13

2. The following shows the amount of time, in minutes, that an individual spent doing cardio at the gym each day over a period of 14 days. Answer the following questions.

23 47 29 19 24 30 0 33 23 20 37 27 20 33

a) Find the median and provide an interpretation of it.

b) Use the interquartile range method to determine if there are any outliers? Briefly justify your work by showing your calculations.