Enter your data for 1-Sample t (Data tab)

On the Data tab of the 1-Sample t dialog box, specify the data and the null hypothesis for your analysis.

Enter your data

Select the option that best describes your data.

Sample data are in a column

Complete the following steps if your data are in a column of the worksheet.

  1. From the drop-down list, select Sample data in a column.
  2. In Sample, enter the column of numeric data that you want to analyze.
In this worksheet, Cost contains the maintenance costs of a random sample of machines.

Summarized data

Complete the following steps if you have summary statistics for the sample, rather than actual sample data in the worksheet.

  1. From the drop-down list, select Summarized data.
  2. Enter the summary statistics in Sample size, Sample mean, and Sample standard deviation.

Perform hypothesis test

Complete the following steps to perform a hypothesis test and to specify a hypothesized value. For more information, go to What is a hypothesis test?
  1. Select Perform hypothesis test to determine whether the population mean (denoted as μ,) differs significantly from the hypothesized value (denoted as μ0) that you specify. If you don't perform the test, Minitab still displays a confidence interval, which is a range of values that is likely to include the population mean.
  2. Enter a value in Hypothesized mean. The Hypothesized mean defines your null hypothesis (H0: μ = μ0). Think of this value as a target value or a reference value. For example, an engineer enters 3 to determine whether the mean width of electrical wire is different from 3 mm (H0: μ = 3).
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