Answer:23
Step-by-step explanation:
Answer:
a. 3
Step-by-step explanation:
An independent variable is the variable that is changed in an experiment to test its effects on the dependent variable. i.e. inputs
A dependent variable is the variable being tested, measured or predicted in an experiment. I.e a outcome
In this case, the the effects of the amount tutors are paid a week before exam, the amount of sleep before exam and the number of study hours are input variables to determine or predict a students score in exam
The independent variables are;
x1 =represents the amount paid to a tutor (in dollars) in the week before the exam
x2 = represents the number of hours of sleep in the week before the exam
x3 = number of study hours in the week before the exam
The dependent variable is the exam score
B0, B1, B2,B3, B4 are coefficients
Answer:
2950
Step-by-step explanation:
i just subtracted 3,000 with 50
Answer:
7
Step-by-step explanation:
-12 is behind 0 on the number line thus making it smaller than 7
Answer:
84.42
Step-by-step explanation:
Put the given value where X is, and do the arithmetic.
Y = 31.72 + 0.62(85) = 31.72 +52.7 = 84.42
The predicted course grade is 84.42.
