Find the standard deviation for the following test scores. Use the chart below to record the steps.
100.
Score
Difference from
the mean
(Difference from
the mean)
22
29
33
57
62
75
99
100
102
Sum of (Difference
from the mean)
687,94

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

Average acceleration: i have no idea how to do this.

Evaluate cos2θ for cosθ = square root of 3/2