Which data set has the greatest spread? set a – {84, 91, 87, 77, 94, 89, 74} set b – {89, 73, 84, 91, 87, 77, 94} set c – {73, 84, 89, 88, 77, 91, 87, 90} set d – {84, 89, 88, 82, 91, 87, 99} a. set a b. set b c. set c d. set d

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 (%).