The number of friends reported by Facebook users is summarized in the following frequency distribution:
FRIENDSf
400 – above ...... 2
350 – 399...... 5
300 – 349....... 12
250 – 299....... 17
200 – 249....... 23
150 – 199....... 49
100 – 149.......... 27
50 – 99........ 29
0 – 49....... 36
Total ..........200
(a) What is the shape of this distribution?
(b) Find the relative frequencies.
(c) Find the approximate percentile rank of the interval 300– 349.
(d) Why would it not be possible to convert to a stem and leaf display?