an 3. The number of leaves that a type of tree shed in a week was recorded, with the following results: (a) 21, 22, 24, 24, 26, 28, 30, 31, 33, 60 (b) Use this sample data to solve the following: (c) (a) Calculate the mean. (b) Calculate the median. (d) (c) Calculate the variance. (d) Calculate the standard deviation. (e) Interpret the standard deviation in terms of the prob- lem. 4. Continue with the data in Problem 3. (a) Calculate the first quartile. (b) Calculate the third quartile. (c) Calculate the lower cutoff for outliers, using the box- plot method. (d) Calculate the upper cutoff for outliers, using the box- plot method. (e) Identify any outliers in the dataset. F) calculate the Both, Percentile O a