In a recent observational study, the local police force noticed that 23% of the drivers passing in front of Ordway Elementary School between 7 a. m. and 8 a. m. were speeding. This is an example of: A. collecting data. B. describing data. C. making an inference. D. none of the above.

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 (%).