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Analyze: Two-Sample T Test
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Column Index 1: Choose a numeric vector of data values in columns.

Column Index 2: Choose a numeric vector of data values in columns.

Hypothesized Mean: Enter the test mean.


Option
   Confidence Level: Enter the level of confidence desired. Enter any number between 0 and 1.
   
Alternative Hypothesis: It contains Mean ≠ Hypothesized Mean (two-tailed),

                                                              Mean < Hypothesized Mean (lower-tailed),

                                                              Mean > Hypothesized Mean (upper-tailed).

                                            If you choose a lower-tailed or an upper-tailedhypothesis test,

                                            an upper or lower confidence bound will be constructed, respectively,

                                            rather than a confidence interval.