# Paired two sample t-test

An Excel Spreadsheet is reprinted below. Interpret the t-test results. Are they statistically significant?

t-Test: Paired Two Sample for Means

Beer Soda

Variable 1 Variable 2

Mean 16.83333333 15.8

Variance 10.35057471 7.820689655

Observations 30 30

Pearson Correlation 0.264451682

Hypothesized Mean Difference 0

df 29

t Stat 1.545410551

P(T<=t) one-tail 0.06654553

t Critical one-tail 1.699127097

P(T<=t) two-tail 0.13309106

t Critical two-tail 2.045230758

https://brainmass.com/statistics/students-t-test/paired-two-sample-t-test-255376

#### Solution Preview

The results are considered significant when the p-value is less than 0.05.

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#### Solution Summary

Understanding and Interpretting t-values

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