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The table below is for five samples drawn from five separate populations. The far left columns give information on the population distribution, population variance, and sample size. The right-hand columns give three choices for the appropriate tests: z = z-statistic, and t = t-statistic. “None” means that a test statistic is not available.
Which set of test statistic choices (One, Two, or Three) matches the correct test statistic to the sample for all five samples? A. One. B. Three. C. Two. |