a. Provide a set of 20 data points that has a mean of 20, a median of 25, an IQR of 10, and a sample standard deviation between 9 and 12. All data points must be positive. Explain in detail the plan you made and used to create the data set, any challenges you had, and how you handled them.

b. Create a histogram to display the data.

c. Create a relative frequency polygon for the data.

d. What is the percentile of the data point 40 in the data set?

Even if you create your graphs using technology, show any relevant calculations that would need to be made.

Age of residents in a neighbourhood
26	45	27	50	40	52	12	28	48	52
14	20	32	9	36	10	36	51	42	1
30	21	40	37	13	35	57	47	42	53