A student assessing the correlatio between the average number of hourz of internet browsing

There is a direct relationship between the average number of hours and internet browsing.

Step-by-step explanation:

If student consume more time for browsing then average nuber of hours will also be increased. So it has a positive relationship between these two variables.

Let call X = number of Hours

            Y = internet browsing

thus mathematically

r = nΣXY -ΣXΣY/ {[nΣX^2 - (ΣX)^2] [nΣY^2 - (ΣY)^2] }^1/2

step-by-step explanation:

just plug in each number for x and see which ones work and don't

the required function is .

step-by-step explanation:

from the given table it is noticed that the graph passing through (-3,7), (0,4), (3,1) and (8,-4).

it is a linear function because the value of y is decrease by one as the value of x increase by 1.

the slope of the function is

the slope of the function is -1 and the y-intercept is 4.

the slope intercept form is

where, m is slope and b is y-intercept.

therefore the required function is . the graph of this function is shown below.