Width of the interval
A researcher has constructed an 80% confidence interval of µ = 45 ± 8, using a sample of n = 25 scores.
What would happen to the width of the interval if the researcher had used 90% confidence instead of 80%?
Please be detailed with your response.
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A researcher has constructed an 80% confidence interval of µ = 45 ± 8, using a sample of n = 25 scores. What would happen to the width of the interval if the researcher had used 90% confidence instead of 80%?
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