The StemandLeal display represents the number of times in a

The Stem-and-Leal display represents the number of times in a year that a random sample of 100 \"lifetime\" members of a health club actually Referring to the table, if a frequency distribution with equal sized classes was made from this data, and the first class was \"0 but less than 10.\" the class midpoint of the sixth claw would be

Solution

The first class is 0-10.

Hence, the second is 10-20, then 20-30, 30-40, 40-50, and the sixth class is 50-60.

Thus, its midpoint is (60+50)/2 = 55 [ANSWER, OPTION C]