<span>The standard deviation can be zero if all the data points are the same. Thestandard deviation can be larger than the mean. The range of numbers has to be large for this to occur. One such sample is {0, 0, 1, 15, 20}, where = 7.2 and s 8.6.</span>
Answer:
the answer is 4 because 16×4 is 64
Divide 630 by 30 then divide 798 by 42 finally divide 864 by 54 and ur answer for the sedan is :18 mpg then the minivan : 19 then the truck is :16