From what I see in the problem, the expression is
To solve, plug in a and k.
3*5^2=75
(3*5)^-1 = 1/15
5^-2 = 1/25
Answer:
a) TRUE
b) FALSE
c) FALSE
d) TRUE
e) FALSE
Step-by-step explanation:
a)
TRUE because the slope of the correlation line is 2 and this is the rate of change of y respect to x
b)
FALSE
The correlation coefficient r is always between -1 and 1, so it can never be greater than one
c)
FALSE
A student might expect that there is a positive correlation between the age of their laptop and its resale value only if after collecting a large enough sample of data that relates age of the student and price of resale of their laptop, he or she finds that there is a positive correlation coefficient r>0
d)
TRUE
If there is a positive correlation, then the greater the x, the greater the y
e)
FALSE
If there is no correlation between the independent and dependent variables, then the value of the correlation coefficient must be 0.
I believe the correct answer is 3.
Answer:
y=60
Step-by-step explanation:
So in this problem you would have to distribute the 3 into the parentheses.
When you do that you end up getting 69d+12d-18d
Then just add to get 81d-18d
So your final answer is 63d
:)