Task No.5.

J Task omion 5 1. The primary data on the income (Ls) of the company employees are given: 140, 150, 150, 200, 240. 250, 250, 250, 300, 200, 250' 45f], 400, 400, 400. 500, 450, 400, 350, 100, 120, 130, 140, 1'10. 150. 700. 800. 700. 400. 550 Form a variation series (simple and frequency). Calculate the mean, variance. Find mode and median. Convert variation series to interval. The calculation of the width of the interval is performed according to the Sturges formula. Find mode and median. 2. In order to study the quality of parts, a batch of 100 parts was checked at the enterprise. The results are presented in the following table: Groups of 4050 50-60 60-70 70-80 80-91} 90-100 100- 110- Total pans by 110 120 weightg Number of 2 4 12 ' 1s 23 24 11 s ' 100 pans Determine the mean. variance, mode. median, 1st and 3rd quartiles. coefficient of variation, plot a histogram, find asymmetry and kurtosis. Show the calculated indicators in the figure. L