The weights (in kg) of 15 students are: 31,35, 27, 29, 32, 43, 37.41,
20, 30, 44, 45, 42, 30. Find the median. If the weight 44 kg is replaced
by 40 kg and 27 kg by 25 kg, find the new median.

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).