#FrequencyDistribution

#StatisticsAndProbability

#MATHh

An employee of the personnel department made a research of the number of absences made by 50 employees of a large company in one year. The following are the results of his survey: 10 15 12 19 12 16 11 11 13 5 18 14 3 12 11 12 12 13 15 16 21 12 18 10 2 9 10 11 13 5 17 11 15 16 18 14 13 15 a. Set up the frequency distribution table. Group the data into seven classes. b. Determine the class boundaries, class mark and the cumulative frequency distribution. c. Draw the histogram and the ogive for this distribution. d. Calculate the mean, median, mode, average deviation and standard deviation using: raw data 11 frequency distribution