To Decide Whether to Reject a Null Hypothesis About a Population

question 5

True/False

To decide whether to reject a null hypothesis about a population mean, a 95% confidence interval or two-tailed hypothesis test with a significance level of 2.5% could be used.

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Definitions:

Output

The result or outcome of a process, which, in statistical terms, may refer to data analysis results, visualizations, or summarized statistical findings.

Normal Distribution

A symmetrical probability distribution centered around the mean, indicating that occurrences of data points close to the mean are more common than those far from it.

Standard Deviation

An indicator of the range or spread of a group of numbers.

Mean

The average of a set of numbers, calculated by adding all values together and dividing by the number of values, a central measure of location in statistics.