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Statistics Hypothesis Testing Quiz

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Questions and Answers

What is the primary purpose of hypothesis testing?

To provide a definitive answer to a research question
To collect data for qualitative analysis
To determine the validity of a conjecture based on sample data (correct)
To define data collection methods

Which statement best describes a null hypothesis?

It assumes no effect or relationship exists between variables (correct)
It is always proven true in studies
It predicts the outcome of an experimental study
It states that there is a significant effect or difference

What role does a p-value play in hypothesis testing?

It confirms that the null hypothesis is always valid
It represents the sample size effect on results
It measures the strength of evidence against the null hypothesis (correct)
It indicates the probability that the null hypothesis is true

Which of the following is a consequence of failing to reject the null hypothesis?

<p>There is insufficient evidence to support the alternative hypothesis (B)</p> Signup and view all the answers

In context of Type I error, what does it mean?

<p>Rejecting a true null hypothesis (C)</p> Signup and view all the answers

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