The table shows the battery lives, in hours, of ten Brand A batterie
Battery Life (hours)
Brand A
Brand B
22.5
20.0
17.0
19.5
21.0 23.0
20.5 | 16.5
22.0
14.0
18.5 22.5
17.0 | 11.0
2
1.
Which would be the best measure of variability to use to compare t
O Only Brand A data is symmetric, so standard deviation is the be
O Only Brand B data is symmetric, so the median is the best mea
Both distributions are symmetric, so the mean is the best meas
O Both distributions are skewed left, so the interquartile range is th