Question

Question 3
You look at the relationship between how much time people spend on the website ‘Bookface’ and how productive they are at work. You assume that time spent on Bookface is the predictor variable, and time spent working is the response variable. The correlation between minutes spent on Bookface and minutes spent working is -0.5. The standard deviation in Bookface time is 4.86, and the standard deviation of time spent working is 3.50.

You want to find the values for the equation ŷ_i = a + bx_i
y
^
​

i
​
=a+bx
i
​
. What is the value of the slope?

Answer 1

Answer:

Question 3

You look at the relationship between how much time people spend on the website ‘Bookface’ and how productive they are at work. You assume that time spent on Bookface is the predictor variable, and time spent working is the response variable. The correlation between minutes spent on Bookface and minutes spent working is -0.5. The standard deviation in Bookface time is 4.86, and the standard deviation of time spent working is 3.50.

You want to find the values for the equation ŷ_i = a + bx_i

y

^

i

=a+bx

i