Use a 005 significance level to test the null hypothesis


Chest Deceleration in a Car Crash The chest deceleration data (g) are given below. Use a 0.05 significance level to test the null hypothesis that the different weight categories have the same mean. Do the data suggest that larger cars are safer?

Subcompact:

55

47

59

49

42

Compact:

57

57

46

54

51

Midsize:

45

53

49

51

46

Full-size:

44

45

39

58

44

 

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Basic Statistics: Use a 005 significance level to test the null hypothesis
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