I think students watch too much TV have lower scores in exams.

Marks

S.D

D

N

A

S.A

Total

Less than50%

5

5

7

9

8

34

50% to 60%

7

12

10

40

15

84

61% to 71%

11

8

5

32

22

78

Above 71%

44

5

5

6

14

74

Total

67

30

27

87

59

270

x² = 82.515

$P-value$ = 0.000* (Significant)