grow graphs

profilesarahzahrani
document_5.odt



4) For the following scores (Note: this will be more easily done by hand)

44 19 23 17 25 47 32 26 25 30 18 24 24 49 51 24 13 43 27 34 16 52 18 46 25

A) place them in a grouped frequency distribution graph with an interval of 2 points

Solution:

Data

cumulative

lower

upper

midpoint

width

frequency

percent

frequency

percent

12

<

14

13

2

1

4.0

1

4.0

15

<

16

15

2

0

0.0

1

4.0

17

<

18

17

2

2

8.0

3

12.0

19

<

20

19

2

3

12.0

6

24.0

21

<

22

21

2

0

0.0

6

24.0

23

<

24

23

2

1

4.0

7

28.0

25

<

26

25

2

6

24.0

13

52.0

27

<

28

27

2

2

8.0

15

60.0

29

<

30

29

2

0

0.0

15

60.0

31

<

32

31

2

1

4.0

16

64.0

33

<

34

33

2

1

4.0

17

68.0

35

<

36

35

2

1

4.0

18

72.0

37

<

38

37

2

0

0.0

18

72.0

39

<

40

39

2

0

0.0

18

72.0

41

<

42

41

2

0

0.0

18

72.0

43

<

44

43

2

1

4.0

19

76.0

45

<

46

45

2

1

4.0

20

80.0

47

<

48

47

2

2

8.0

22

88.0

49

<

50

49

2

1

4.0

23

92.0

51

<

52

51

2

1

4.0

24

96.0

53

<

54

53

2

1

4.0

25

100.0















25

100.0






B) place them in a grouped frequency distribution graph with an interval of 5 points


Data

cumulative


lower

upper

midpoint

width

frequency

percent

frequency

percent


10

<

15

13

5

1

4.0

1

4.0


16

<

20

18

5

5

20.0

6

24.0


21

<

25

23

5

4

16.0

10

40.0


26

<

30

28

5

5

20.0

15

60.0


31

<

35

33

5

3

12.0

18

72.0


36

<

40

38

5

0

0.0

18

72.0


41

<

45

43

5

2

8.0

20

80.0


46

<

50

48

5

3

12.0

23

92.0


51

<

55

52

5

2

8.0

25

100.0

















25

100.0






C) place them in a grouped frequency distribution graph with an interval of 10 points




Data

cumulative


lower

upper

midpoint

width

frequency

percent

frequency

percent


10

<

20

15

10

6

24.0

6

24.0


21

<

30

25

10

9

36.0

15

60.0


31

<

40

35

10

3

12.0

18

72.0


41

<

50

45

10

5

20.0

23

92.0


51

<

60

55

10

2

8.0

25

100.0

















25

100.0





D) place them in a grouped frequency distribution graph with an interval of 20 points










Data

cumulative

lower

upper

midpoint

width

frequency

percent

frequency

percent

0

<

20

10

20

6

24.0

6

24.0

20

<

40

30

20

12

48.0

18

72.0

40

<

60

50

20

7

28.0

25

100.0















25

100.0