Question: Help needed ! Thanx Consider the following data test data distribution of daily wages of company XYZ employees, consisting of 10 classes and their corresponding

Help needed ! Thanx

Help needed ! Thanx Consider the following data

Consider the following data test data distribution of daily wages of company XYZ employees, consisting of 10 classes and their corresponding frequency of each class: Classes Frequency 100-110 30 110-120 40 120-130 20 130-140 90 140-150 70 150-160 80 160-170 60 170-180 35 180-190 50 190-200 10 D. Calculate the variance (02) and Standard Deviation (0), (3 Marks) a. Calculate the Average/Mean (u or X). (1.5 Marks) b. Calculate the Variance (02) and Standard Deviation (o). (3 Marks) c. Draw the curve showing the Average (u) and Standard Deviation (o). (2.5 Marks)

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