Answer:
b = r(sy/sx)
Step-by-step explanation:
The sign of the slope Coefficient and the correlation are the same because both the slope and correlation Coefficient evaluates the changes in one variable with respect to the other . A decrease in y as x increases will result in a negative slope value and also a negative correlation Coefficient. While increase in x which results in the increase in y imvariable will result in a positive correlation Coefficient value and r value.
Slope, b = correlation Coefficient,r (Sy /Sx)
Sx = standard deviation of x values
Sy = standard deviation of Y Values
Answer:
20 minutes on the stationary bike
10 minutes on the treadmill
Step-by-step explanation:
x = minutes on bike
y = minutes on treadmill
x + y = 30
12x + 15y = 390
x = 30-y
12(30-y) + 15y = 390
360 - 12y + 15y = 390
3y = 30
y = 10
x + 10 = 30
x = 20
96 days
12 x 8 = 96
to check I did:
8 x 1 = 8
8 x 2 =16
etc.
I did the same thing with 12,
Answer:
Sides: Scalene
Angles: Acute
Step-by-step explanation:
It's a scalene triangle because all side lengths are different.
All angles are acute because each one is less than 90 degrees.
Answer:
c) KJ and JH
Step-by-step explanation:
