Asample of 30 distance scores measured in yards has a mean of 7, a variance of 16, and a standard deviation of 4. you want to convert all your distances from yards to feet, so you multiply each score in the sample by 3. what are the new mean, median, variance, and standard deviation?

21, 144, 12

Step-by-step explanation:

Given that a sample of 30 distance scores measured in yards has a mean of 7, a variance of 16, and a standard deviation of 4.

Let X be the distance in yard.

i.e. each entry of x is multiplied by 3.

New mean variance std devition would be

E(3x) =

Var (3x) =

Std dev (3x) =

Thus we find mean and std devition get multiplied by 3, variance is multiplied by 9

find the vertical and horizontal asymptotes of the function f x = 5 x − 1 . to find the vertical asymptote, equate the denominator to zero and solve for . since the degree of the polynomial in the numerator is less than that of the denominator, the horizontal asymptote is .

step-by-step explanation:

if the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.