The sample of eight companies in the aerospace industry, referred to in Exercise 36, was surveyed as to their return on investme
nt last year. The results are: 10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, and 15.6. . Compute the sample variance.
. Determine the sample standard deviation.
If Aidan can fill 1 potted plant from a full bucket but still have enough left for 3 more, this means Aidan can water 4 plants per full bucket. And if you multiply that 4 by 3 full buckets, it gives you 12, which is the amount of plants 3 full buckets can water.