Refer to the data given in Exercise 3.111 on the total points scored by each of the top 16 NBA scorers during the 2010–11 regular seasons.
a. Calculate the values of the three quartiles and the interquartile range. Where does the number 1681 fall in relation to these quartiles?
b. Find the approximate value of the 18th percentile. Give a brief interpretation of this percentile.
c. Calculate the percentile rank of 1793. Give a brief interpretation of this percentile rank.