8 Records were kept on three employees who wrapped packages on sweet boxes Measures of Variation and during the Diwali holidays in a big sweet house. The study yielded the following Skewness data (S Employee Mean number Standard of packages deviation 23 1.45 45 5.86 32 3.54 Which package wrapper was most productive? ii) Which employee was the most consistent? iii) What measure did you choose to answer part (ii) and why? 9 The following data relate to the mileage of two types of tyre: Life (in kms.) Number of Tyres Type A Type. B 20060-22000 230 220C0-24000 270 275 24000-26000 450 470 26060-28000 375 300 28000-30000 125 155 1) Which of the two types gives a higher average life? If prices are the same for both the types, which would you prefer and why? 10 The following table gives the distribution of daily travelling allowance to salesmen in a company: . Travelling No. of salesmen Travelling No. of salesmien Allowance Allowance (in Rs.) (in Rs.) 100-120 180-200 E 120-140 200-220 140-160 20 220-240 160-180 18 240-250 Compute Karl Pearson's coefficient of skewness and comment on its value. 1 1 Calculate Bowley's coefficient of skewness from the following data: Monthly wages No. of workers Monthly wages No. of workers Below 600 10 800-900 20 600-700 25 900-1000 15 700-800 1000 & above 12 You are given the following information before and after the settlement of workers' strike Before settlement After settlement of strike of strike No, of workers 1000 950 Average Wage (Rs.) 1300 1 350 Standard Deviation (Rs.) 400 425 Median Wage (Rs.) 1325 1300 Assuming that the increase in wage is a loss to the management, comment on the gains and losses from the point of view of workers and that of managem