A researcher conducts a one-tailed one-sample t test on 25 subjects and finds that t = 1.89. How confident can the researcher be that the results are true and not due to mere sampling error?
The test has a t- value of 1.89 (one-tailed) and degrees of freedom 24
Using a t calculator the confidence level is roughly 97% that his result is true
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Type 1 error t test.docx
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