It is hypothesized that 50% of Americans attend church regularly. Which of the f

Question

It is hypothesized that 50% of Americans attend church regularly. Which of the following would be an example of making a Type I Error? Choose the correct answer below. A. A study was conducted that failed to reject the null hypothesis. In reality, only 40% of Americans attend church regularly. B. A study was conducted that had evidence to reject the null hypothesis. In reality, half of Americans actually do attend church regularly. C. A study was conducted that had evidence to reject the null hypothesis. In reality, only 40% of Americans attend church regularly. D. A study was conducted that failed to reject the null hypothesis. In reality, half of Americans actually do attend church regularly.

Explanation / Answer

The correct option is (B) A study was conducted that have evidence to reject the null hypothesis. In reality half of the Americans actually do attend church regularly.

Type I error: -  a type I error is the incorrect rejection of a true null hypothesis (a "false positive").

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