Answer:
it's 3
Step-by-step explanation:
Number 3 is 3 units away from 0, and thus the absolute value of 3 is 3.
Hey there! :)
The answer is 80%
6 ÷ 30 = 0.2 = 20%
100 - 20 = 80
Hope this helped :)
Answer:
− 1049
Step-by-step explanation:
-13.62-(27.9)
Primero los paréntesis:
-13.62-243
Luego continuamos por las multiplicaciones:
-806 - 243
Finalmente obtenemos:
− 1049
Espero te ayude :)
Answer:
X is the GPA
Y is the Salary
Standard deviation of X is 0.4
Standard deviation of Y is 8500
E(X)=2.9
E(Y)=47200
We are given that The correlation between the two variables was r = 0.72
a)


So, slope = 15300
Intercept = 2830
So, equation : 
b) Your brother just graduated from that college with a GPA of 3.30. He tells you that based on this model the residual for his pay is -$1880. What salary is he earning?

Observed salary = Residual + predicted = -1860+53320 = 51440
c)) What proportion of the variation in salaries is explained by variation in GPA?
The proportion of the variation in salaries is explained by variation in GPA = 