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Independent Measures Significance Test

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The following data were obtained from an independent measures study. Determine if there is a significant difference between the treatments. Use a significant level of .01.

Treatment 1 Treatment 2
5 6
1 10
2 14
3 12
4 18

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Null Hypothesis (Ho): u1= u2
Alternative Hypothesis (Ha): u1 does not equal u2
Level of significance = 0.01
Critical value at 0.005 with n1+ n2-2 = 12-2=10 degrees of freedom is + or - 3.169

Treatment 1 Treatment 2
Mean 3 ...

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