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QUESTION 2 (8 Marks) The table below shows the number of telephone calls per day receives by a company in the period of 64 working

QUESTION 2 (8 Marks) The table below shows the number of telephone calls per day receives by a company in the period of 64 working days. Number of calls per day, x 25 26 27 28 29 30 Number of days, f 5 7 12 17 15 8 Efx= Efx = Calculate : (1) Mean (11) Median (ii1) Mode (iv) Variance (v) Standard deviation

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