DATTestEqual
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Function Description
Returns the results of a Student’s t test applied to
two separate series to test if their means are different, under the null
hypothesis that the data is normally distributed and the series have the same
(unknown) variance.
The output has 10 rows and 2 columns (ignore second column
entry for Rows 4 to 10):
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Row 1: Mean (of series)
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Row 2: Variance (of series)
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Row 3: Number of entries in series
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Row 4: Hypothesized Mean Difference
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Row 5: degrees of freedom in Student’s t test
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Row 6: t statistic
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Row 7: P-value of this t statistic (one tail)
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Row 8: t critical level (one tail), for given confidence level
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Row 9: P-value of this t statistic (two tail)
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Row 10: t critical level (two tail), for given confidence level
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Output type / Parameter details
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Illustrative spreadsheet
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