Textbook Question
When observed results are unlikely under the assumption that the null hypothesis is true, we say the result is _____and we reject the null hypothesis.
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9. Hypothesis Testing for One Sample
Steps in Hypothesis Testing
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Which of the following is typically the first step when conducting a significance test in practice?
A
Calculate the -value.
B
State the null and alternative hypotheses.
C
Collect the sample data.
D
Draw a conclusion based on the significance level.
Verified step by step guidance1
Understand that the first step in conducting a significance test is to clearly define the hypotheses you want to test. This involves stating the null hypothesis (\[H_0\]) and the alternative hypothesis (\[H_a\]).
The null hypothesis (\[H_0\]) usually represents the status quo or no effect, while the alternative hypothesis (\[H_a\]) represents the claim you want to test or the presence of an effect.
After stating the hypotheses, the next steps would involve collecting sample data, calculating the test statistic and p-value, and then making a conclusion based on the significance level.
Remember, without clearly stating the hypotheses first, the rest of the significance testing process cannot be properly interpreted or conducted.
So, the typical first step is: State the null and alternative hypotheses.
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