Equal-variance two-tail test
| A | B | |
|---|---|---|
| 1 | A | B |
| 2 | 1 | 2 |
| 3 | 2 | 3 |
| 4 | 3 | 5 |
Formula: D2: =ROUND(T.TEST(A2:A4,B2:B4,2,2),4)
Result: 0.2746
Type two pools the two sample variances.
Google Sheets function
T.TEST in Google Sheets
T.TEST with worked examples you can test in the live grid. The argument details are in the Excel guide.
In Google Sheets
The arguments and common errors are covered in the T.TEST Excel guide; check the function help in Google Sheets for its own argument list.
Worked examples in Google Sheets
Unequal-variance two-tail test
| A | B | |
|---|---|---|
| 1 | A | B |
| 2 | 1 | 2 |
| 3 | 2 | 3 |
| 4 | 3 | 5 |
Formula: D2: =ROUND(T.TEST(A2:A4,B2:B4,2,3),4)
Result: 0.2846
Type three uses the unequal-variance degrees-of-freedom calculation.
Paired one-tail test
| A | B | |
|---|---|---|
| 1 | Before | After |
| 2 | 10 | 9 |
| 3 | 12 | 10 |
| 4 | 15 | 14 |
Formula: D2: =ROUND(T.TEST(A2:A4,B2:B4,1,1),4)
Result: 0.0286
Type one analyzes row-by-row differences in matched observations.
Try it
A tiny spreadsheet with example data. Edit the formula or any number and see the result.
Formula in F2: =T.TEST(C2:C7,D2:D7,2,3)
| A | B | C | D | E | F | |
|---|---|---|---|---|---|---|
| 1 | Region | Product | Units | Price | Result | |
| 2 | East | Pen | 120 | 2.5 | 0.0316326035581 | |
| 3 | West | Pen | 80 | 2.5 | ||
| 4 | East | Book | 45 | 12 | ||
| 5 | North | Book | 60 | 12 | ||
| 6 | West | Lamp | 30 | 25 | ||
| 7 | East | Lamp | 15 | 25 |
Result in F2: 0.0316326035581
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