I feel that TV is changing my study habits.

Marks

S.D

D

N

A

S.A

Total

Less than 50%

10

5

5

8

6

34

50% to 60%

8

10

13

40

13

84

61% to 71%

5

11

18

24

20

78

Above 71%

7

11

15

31

10

74

Total

30

37

51

103

49

270

x² = 22.998

$P-value$ = 0.028* (Significant)