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The following data portrays the number of dismissals at 30 major manufacturing companies across South Africa in the past year. 37 41 29 53 44
The following data portrays the number of dismissals at 30 major manufacturing companies across South Africa in the past year. 37 41 29 53 44 49 38 35 32 39 31 23 46 41 49 53 57 33 26 37 30 27 45 38 34 46 36 30 47 50 1.1. Using 6 classes of equal width, construct a grouped frequency distribution of the above data. Let 22 be the lower limit of the initial class. i marks) 1.2. Calculate the mid-70% range. (8 marks) 1.3. Calculate the coefficient of variation and interpret the value obtained. (10 marks)
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