Given the final Math scores for three different classes M C

Given the final Math scores for three different classes (M, C, and E).

Determine normality for each group

Find the z-value for each score.

Class

Final mark

1

M

85.5

2

M

59.0

3

M

66.0

4

M

62.5

5

M

48.5

6

M

39.0

7

M

79.5

8

M

58.5

9

M

98.0

10

M

60.5

11

M

32.5

12

M

64.5

13

M

63.0

1

M

60.0

2

M

90.0

3

M

59.5

4

M

40.0

5

M

82.5

6

M

69.5

8

M

60.0

9

M

0.0

10

M

77.0

11

C

74.5

12

C

88.0

13

C

64.5

14

C

61.5

15

C

65.5

16

C

98.4

17

C

76.0

3

18

C

73.0

19

C

60.0

20

C

76.0

21

C

58.0

22

C

75.5

24

C

57.0

25

C

76.5

26

E

31.5

27

E

80.0

28

E

48.0

29

E

98.5

30

E

97.5

31

E

54.5

32

E

78.0

33

E

61.0

34

E

85.5

35

E

83.5

36

E

96.0

37

E

48.0

38

E

42.0

39

E

57.0

40

E

92.0

41

E

47.0

	Class	Final mark
1	M		85.5
2	M		59.0
3	M		66.0
4	M		62.5
5	M		48.5
6	M		39.0
7	M		79.5
8	M		58.5
9	M		98.0
10	M		60.5
11	M		32.5
12	M		64.5
13	M		63.0
1	M		60.0
2	M		90.0
3	M		59.5
4	M		40.0
5	M		82.5
6	M		69.5
8	M		60.0
9	M		0.0
10	M		77.0
11	C		74.5
12	C		88.0
13	C		64.5
14	C		61.5
15	C		65.5
16	C	98.4
17	C	76.0

Solution