HI6007 : Stastics - Frequency Distribution - Stastics Assignment Help

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Stastics Assignment Help

TASK 1 Below you are given the examination scores of 20 students 52 99 92 86 84 63 72 76 95 88 92 58 65 79 80 90 75 74 56 99 a. Construct a frequency distribution, cumulative frequency distribution, relative frequency distribution, cumulative relative frequency distribution and percent frequency distribution for the data set using a class width of 10. b. Construct a histogram showing the percent frequency distribution of the examination scores. Comment on the shape of the distribution.  TASK 2 Allied Corporation wants to increase the productivity of its line workers. Four different programs have been suggested to help increase productivity. Twenty employees, making up a sample, have been randomly assigned to one of the four programs and their output for a day's work has been recorded. Program A    Program B      Program C       Program D 150                     150                185                         175 130                     120                220                        150 120                     135                190                         120 180                     160                180                        130 145                     110                 175                         175 a. Construct an ANOVA table. b. As the statistical consultant to Allied, what would you advise them? Use a .05 level of significance.