Question: Determine the mean using both methods: Solution: Weekly Number of Class Wages Workers midpoints (in p650) () (X9 870 - 899 4 884.5 (884.5)(4) =

Determine the mean using both methods: Solution: Weekly Number of Class Wages Workers midpoints (in p650) () (X9 870 - 899 4 884.5 (884.5)(4) = 3538 900 - 929 5487 930 - 959 9445 960 - 989 12668.5 990 - 1019 1020 - 1049 1050 - 1079 Total 50 217:1 X112 = 48545 22-21 Up}? 2 '5 LONG Method )_( = 27:1 Xifi n = 43545 50 i = Ph9970.90 Short Method. _ 2;; Ui-i X}6+[+f] C where C = 30 and X) = assumed mean

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