One-Tail Tests.xlsx - t Test for the Hypothesis of the Mean Data Null Hypothesis Level of Significance Sample Size Sample Mean Sample Standard Deviation

One-Tail Tests.xlsx - t Test for the Hypothesis of the Mean...

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t Test for the Hypothesis of the Mean Data Null Hypothesis 25 Level of Significance 0.05 Sample Size 36 Sample Mean 22.4 Sample Standard Deviation 6 Intermediate Calculations Standard Error of Mean 1 Degrees of Freedom 35 t Test Statistic -2.6 Lower-Tail Test Lower Critical Value -1.6896 0.006781 p-Value 0.0068 0.993219 Reject the null hypothesis
t Test for the Hypothesis of the Mean Data Null Hypothesis 2.8 Level of Significance 0.05 Sample Size 25 Sample Mean 2.73 Sample Standard Deviation 0.2 Intermediate Calculations Standard Error of Mean 0.04 Degrees of Freedom 24 t Test Statistic -1.75 Lower-Tail Test Lower Critical Value -1.7109 0.046448 p-Value 0.0464 0.953552 Reject the null hypothesis
Before After Di Data 158 284 -126 Hypothesis Mean Diff. 0 189 214 -25 Level of significance 0.05 202 101 101 353 227 126 Intermediate Calculations 416 290 126 Sample Size 7 426 176 250 Dbar 86.1429 441 290 151 degrees of freedom 6 86.1429 SD 123.7005 Standard Error 46.7544 1.8425

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