The following data are the numbers of threatened species of mammals for some randomly selected African countries.

For parts (a), (b), and (c), begin with lower class limit 0 and class width 10.
a. Construct a frequency and relative frequency table. Find relative frequencies to the third decimal place.
b. Construct a frequency histogram.
c. Construct a relative frequency histogram.
d. Describe the shape of the distribution.
e. Identify the class that contains the 50th percentile, which is a measure of the center.
f. If there were one outlier, what would it be?

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11 79 11 38 4 8 13 5 11 31 23 7 19 10 33 15 10 16 21 12 29 2 18 114 8 12