The 2000 U.S. Census also asked for each person’s age.

Suppose that a sample of 40 households taken from the census data showed the age of the first person recorded on the census form to be as follows.

42 29 31 38 55 27 28 33 49 70 25 21 38 47 63 22 38 52 50 41 19 22 29 81 52 26 35 38 29 31 48 26 33 42 58 40 32 24 34 25 Compute P10, P80, Q1, Q3, the interquartile range, and the range for these data.