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

a variable of array type holds a reference of object

array are commonly used in computer program to organize data so that a related set of values

array are using zero base indexing it start with 0.

all component of array have same type, two different types doesn't use in single array

if array are store 10 quantities its index value varies from 0 to 9.

it stores 1st quantity value in index value 0 and this process will same till index value 9.

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