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DATTestPaired

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Function Description

Returns the results of a Student’s t test applied to paired data designed to identify if the difference (element by element) of two series of equal lengths is normally distributed, given the null hypothesis that the differences are drawn from a normal distribution.

 

The output has 11 rows and 2 columns (ignore second column entry for Rows 5 to 11):

 

-          Row 1: Mean (of series)

-          Row 2: Variance (of series)

-          Row 3: Number of entries in series

-          Row 4: Pearson Correlation Coefficient between the two series

-          Row 5: Hypothesized Mean Difference

-          Row 6: degrees of freedom in Student’s t test

-          Row 7: t statistic

-          Row 8: P-value of this t statistic (one tail)

-          Row 9: t critical level (one tail), for given confidence level

-          Row 10: P-value of this t statistic (two tail)

-          Row 11: t critical level (two tail), for given confidence level

 


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