Following is the probability distribution for the age of a student at a certain public high school. 1.)Find the standard deviation of the ages. Round the answer to four decimal places.
2.)Find the variance of the ages. Round the answer to four decimal places.

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Is it greater than or less than7*3_9*2