Complete the chart to find the mean, variance, and standard deviation. Remember to use commas and round numbers to the nearest tenth.

X
X
X - X
(X - X )2
1. 45 = -357.5 = The mean is
2. 340 = -62.5 = The variance is
3. 400 = -2.5 = The standard deviation is
4. 825 = 422.5 = n =
Σ X = X = Σ (X - X)2 = 310,225.2

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Lorenzo ate 2/5 of his bag of almonds. his 4 friends ate equal shares of the remaining bag of almonds?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.