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Show all work for credit (Include original formulas, hypotheses, rejection criteria, decision, and statement in context). A comparative...

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Statistics

Show all work for credit (Include original formulas,hypotheses, rejection criteria, decision, and statement incontext).

A comparative study of four methods for treating hyperactivityin children was performed in 16 children.  After thetreatment, hyperactivity was scored on a scale of 1 to 100 where100 is high hyperactivity.  With 99% confidence is therea statistically significant difference among hyperactivitytreatments?

Treatments

1

2

3

4

42

71

41

65

35

78

44

54

40

54

27

43

39

63

39

60

10 points -Write the null and alternatehypotheses:

Null hypothesis:________m1=m2=m3=m4______________________________________________________________________________

Alternate Hypothesis: _______differences in themeans____________________________________

80 points - Fill in the chart.  Showyour work for each intermediate calculation.  (Stapleyour work to this page.)

10 points -Are you able to reject the nullhypothesis?  Show work.  Summarize yourconclusion.  

Answer & Explanation Solved by verified expert
3.8 Ratings (763 Votes)
Null hypothesis H0 The treatment means are equalie m1m2m3m4Alternative Hypothesis H0 Atleast one pair of thetreatment means are not equal ie    See Answer
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