Question 2 (40 marks)

The following data table shows the ages of the Advance students of the Statistics for Business course of the Execution Engineering Career.

42	35	27	36	37	29	31
29	33	32	25	33	49	45
44	38	27	33	32	25	51
29	27	31	42	27	33	29
33	38	45	29	31	42	31
38	44	51	36	45	29	29
33	33	44	33	51	37

An analysis of the ages is requested to know something about the profile of the students who enter this career. for this the following data is needed:

a) Determine which is the variable under study.

b) Table of frequencies making the tabulation according to the Sturges formula.

xi	xi+1	M. Clase	ni	Ni	hi	Hi

c) Determine all measures of central tendency (Mode, Median and Arithmetic Mean)

d) 63rd percentile

e) Decile 4

f) What percentage are less than 40 years old?

g) Determine the middle 60% interval of the students' ages.