Calculate the standard deviation of 21, 42, 25, 62, 32 to 2 decimal places.

21.96
14.65
37.20
16.38

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Find the slope of the line passing through a pair of points