Statistics homework - 644 Words
1.a．Mnually calculate the mean, median, and mode or modes for the following samples:
(i) 7, 4, 6, 2, 6, 7, 3, 5
(ii) 0, -3, 5, -2, -6, 4, 7, 9, 4, -3, 0, 2
b. The number of days for which each of 15 office workers of a firm was absent during a one-month period is as sfollows:
0, 1, 1, 3, 0, 0, 2, 5, 0, 1, 1, 2, 0, 1, 1
Calculate the interquartile range, variance and standard deviation of the number of days absent.
2. The number of hours a student spent studying...
644 Words | 3 Pages