1.Two different methods are used to help children learn how to spell. Each child was given 60 words to spell, and it was noted how many words each child spelled correctly. Here are the counts for both methods:

Method A

28

35

19

41

37

31

38

40

25

27

36

43

Method B

42

33

26

24

44

46

34

20

48

39

45

Use a rank-sum test at the 0.05 level of significance to test the claim that there is no difference between the distributions for each method.

a.State the null and alternative hypotheses.

b.Compute the sample test statistic.

c.Find the p-value.

d.State the conclusion at the .05 level of significance.d.State the conclusion at the .05 level of significance.

4. (6 Points) Two different methods are used to help children learn how to spell. Each child was given 60 words to spell, and it was noted how many words each child spelled correctly. Here are the counts for both methods: Method A 28 35 19 41 37 31 38 40 25 27 36 43 Method B 42 33 26 24 44 46 34 20 48 39 45 Use a rank-sum test at the 0.05 level of significance to test the claim that there is no difference between the distributions for each method. a. State the null and alternative hypotheses. b. Compute the sample test statistic. C. Find the p-value. d. State the conclusion at the .05 level of significance