This document discusses different types of t-tests, including one sample t-tests, independent t-tests, and paired t-tests. It provides the equations and calculations for each test type, and uses an example of shops' sales before and after a promotional campaign to illustrate how to calculate a paired t-test.

1. T TEST BY CHANDAN KUMAR
CHANCHAL

2. CONTENT

3. BACKGROUND

4. APPLICATIONS

5. TYPES OF T TEST

6. 1.ONE SAMPLE T
TEST

7. EQUATION FOR ONE SAMPLE T TEST

8. HOW TO CALCULATE

9. INDEPENDENT T TEST

10. EQUATION

12. PAIRED T TEST

13. CALCULATION OF
PAIRED T TEST
Q. SHOPS SALE BEFORE PROMOTIONAL
CAMPAIGN-53,28,31,48,50,42
AFTER PROMOTIONAL CAMPAIGN-
58,29,30,55,56,45

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