Question: mancosaconnect.ac.za NCOSA Consider the table below: Classes Frequency, Cumulative Midpoint, fm fm (Mass) f Frequency m (kg) 30.00 < 4 35.00 140 4900 40.00
mancosaconnect.ac.za NCOSA Consider the table below: Classes Frequency, Cumulative Midpoint, fm fm (Mass) f Frequency m (kg) 30.00 < 4 35.00 140 4900 40.00 40.00 < 11 45.00 495 22275 50.00 50.00 < A 43 55.00 1540 84700 60.00 60.00 < 17 60 C 1105 71825 70.00 60 The variance is closest to: OA. 74.5 OB. 63.9 OC. 79.3 OD. 81.0 Clear my choice
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