Test 1: Find Range, & of classes, class size

These are the scores of 40 students in a

50-ten Math exam.

13

13

13

15

17

18

23

18

18

25

19

19

20

20

21

22

22

24

29

25

26

27

27

28

28

29

29

30

30

31

32

33

35

36

37

39

42

43

45

48