Enter your data for 2-Sample t

Stat > Basic Statistics > 2-Sample t

Select the option that best describes your data.

Both samples are in one column

Complete the following steps if your data are in one column and group identifiers are in a second column:

  1. From the drop-down list, select Both samples are in one column.
  2. In Samples, enter the column of numeric data that you want to analyze.
    Tip

    Click in Samples to see the columns that are available for your analysis.

  3. In Sample IDs, enter the column that contains the group that each observation corresponds to.
In this worksheet, Rating contains the patient satisfaction ratings of two hospitals. Hospital indicates whether each rating corresponds to hospital A or to hospital B.
C1 C2
Rating Hospital
81 A
77 B
75 A
74 B

Each sample is in its own column

Complete the following steps if the data for each sample are in different columns.

  1. From the drop-down list, select Each sample is in its own column.
  2. In Sample 1, enter the first column of numeric data that you want to analyze.
  3. In Sample 2, enter the second column of numeric data that you want to analyze.
In this worksheet, Hospital A contains the patient satisfaction ratings from one hospital. Hospital B contains the ratings from a second hospital.
C1 C2
Hospital A Hospital B
81 77
75 74
77 70
78 71

Summarized data

Complete the following steps if you have summary statistics for the two samples, 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 Standard deviation.
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