Scenario 1: You are given raw data (a ratio variable) and ...
Step 5. Find the t-statistic using the following formula: Step 6. If the t-statistic is greater than 1.96 or less than -1.96, then you may reject the null hypothesis with 95% confidence. NOTATION GUIDE:: Sample Mean. ยต : Population Mean (the true mean you are approximating) s : Standard Deviation. s2: Variance. SE: Standard Error ................
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