to solve this please use excel and excel formulas

Dr. Louka, the 5thgrade Math teacher from Camino Grove Elementary school wants to see if there is a relationship between the students' grades and the hours they spend playing video games daily.

Number of Students

Grades

Hours spend playing video games

1

75

4

2

82

3

3

99

1

4

80

2

5

64

5

6

90

5

7

79

4

8

56

5

9

77

5

10

88

3

1. Is there a relationship between Grades and video games hours?
2. Find the correlation coefficient
3. What is the linear regression model?
4. Predict the grade for a student who plays for 4.5 hours