Question

Please help, will medal and fan!

Answer 1

what is it?

Answer 2

A student is assessing the correlation between the average number of hours of playing video games in a week and average score on a math test for the students of a class. The table below shows the data:


Number of hours of playing video games
(x) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Score on math test
(y) 90 88 86 84 82 80 78 76 74 72


Part A: Is there any correlation between the average number of hours of playing video games in a week and average score on the math test for the students of a class? Justify your answer. (4 points)

Part B: Write a function which best fits the data. (3 points)

Part C: What does the slope and y-intercept of the plot indicate?

Answer 3

i already have part A

Answer 4

can anyone help with part b or c?

Answer 5

Part B would be 0.5x=y-2 So for every X the grade would be 4% lower.

Answer 6

can you help with Part C? i dont under stand how to do slope and stuff
@LocalHero7

Answer 7

I dont understand slope either. Sorry