Which p-value listed below suggests strong evidence against the null hypothesis? 0.2 0.02 None 0.99
Question
Which p-value listed below suggests strong evidence against the null hypothesis?
- 0.2
- 0.02
- None
- 0.99
Solution
The p-value that suggests strong evidence against the null hypothesis is 0.02.
Here's why:
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The p-value is a measure of the probability that an observed difference could have occurred just by random chance.
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The lower the p-value, the greater the statistical evidence you have to reject the null hypothesis.
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A common threshold for significance is 0.05. If the p-value is less than 0.05, you reject the null hypothesis.
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In this case, 0.02 is the only value less than 0.05, so it provides the strongest evidence against the null hypothesis.
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