Horse Trainer:

Jumps A horse trainer teaches horses to jump by using two methods of instruction. Horses being taught by method A have a lead horse that accompanies each jump. Horses being taught by method B have no lead horse. The table shows the number of training sessions required before each horse performed the jumps properly.

Method A

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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 5% level of significance to test the claim that there is no difference between the training session distributions.