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  • What are the six steps of hypothesis testing 2024?

    步骤 过程 七步

    Questioner:Lucas Phillips 2023-06-17 04:02:22
The most authoritative answer in 2024
  • Harper Cooper——Studied at Massachusetts Institute of Technology (MIT), Lives in Cambridge. Currently conducting research in the field of artificial intelligence.

    作为一名统计学领域的专家,我很高兴能够为您解释假设检验的六个步骤。假设检验是统计学中一种非常重要的方法,它允许我们基于数据对某个假设进行评估。以下是进行假设检验的六个步骤:

    ### Step 1: State the Null Hypothesis
    Null Hypothesis (H0) is a statement of no effect or no difference. It is the default assumption that there is no significant relationship between the variables being studied. The null hypothesis is always written as an equation, and it is tested using statistical methods.

    ### Step 2: State the Alternative Hypothesis
    The Alternative Hypothesis (H1 or Ha) is what you might believe to be true or what you are testing for. It is the opposite of the null hypothesis and represents the research hypothesis. If the null hypothesis is rejected, it is often concluded that the alternative hypothesis is supported.

    ### Step 3: Set the Significance Level (α)
    The significance level (α) is the probability of rejecting the null hypothesis when it is actually true. It is also known as the Type I error rate. Commonly used significance levels are 0.05, 0.01, and 0.001.

    ### Step 4: Collect Data
    Data collection is a critical step in hypothesis testing. The data must be relevant to the research question and should be collected using a valid and reliable method. The size of the sample can also influence the outcome of the test.

    ### Step 5: Calculate a Test Statistic
    A test statistic is a numerical value calculated from the sample data. It is used to determine the likelihood of observing the sample results under the null hypothesis. Different tests use different test statistics.

    ### Step 6: Construct Acceptance/Rejection Regions
    Acceptance/Rejection regions are the areas of the sampling distribution that lead to the acceptance or rejection of the null hypothesis. These are determined by the significance level and the test statistic.

    ### Step 7: Draw a Conclusion
    Based on the comparison of the test statistic to the acceptance/rejection regions, a conclusion is drawn. If the test statistic falls in the rejection region, the null hypothesis is rejected. If it falls in the acceptance region, the null hypothesis is not rejected.

    Now, let's proceed with the translation into Chinese.

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    +149932024-06-16 15:52:01
  • Benjamin Davis——Works at the United Nations Development Programme, Lives in New York, NY, USA.

    1.2 - The 7 Step Process of Statistical Hypothesis TestingStep 1: State the Null Hypothesis. ... Step 2: State the Alternative Hypothesis. ... Step 3: Set -- ... Step 4: Collect Data. ... Step 5: Calculate a test statistic. ... Step 6: Construct Acceptance / Rejection regions. ... Step 7: Based on steps 5 and 6, draw a conclusion about H0read more >>
    +119962023-06-26 04:02:22

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