(Choose 1 answer)
The nine measurements that follow are furnace temperatures recorded on successive batches in a semiconductor manufacturing process:
920, 918, 922, 930, 915, 921,925, 931, 927.
Find the sample range and mean.
A. None of the others
B. 16 and 925.0
C. 16 and 923.2
D. 15 and 923.2
