Software
Output
Summary
data from the previous example
One-Sample
Difference of Proportions
Population
Proportion 0.10
Sample
Proportion
0.15
Sample
Size (n)
110
Test
statistic
1.748
p
< 0.0805 (2tailed)
For a 2-tailed test, the
p-value represents the probability of making a type 1 error (concluding there is
statistical significance when there is none). Since
there is about 8% chance of making a type 1 error, which exceeds the 5% error limit
established in the rejection criteria of the hypothesis testing process (alpha), you would
not conclude there is statistical significance.
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