5. since .6 is greater than 5, we round up.
First, find the mean. You'll need it to compute the variance.

The variance of the sample is then computed with the formula

The standard deviation is the square root of the variance, so
3 x 25 = 75
4 x 12 = 48
75 - 10 = 65
65 + 48 = 113
Answer: 113 markers and crayons or 65 crayons and 48 markers
ANSWER: the amount an individual earns after subtracting all expenses, taxes and costs.
Answer:
27 Units
I just took the test and got 100 percent