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  1. support.minitab.com › minitab › help-and-how-toInterval plot - Minitab

    Use Interval Plot to assess and compare confidence intervals of the means of groups. An interval plot shows a 95% confidence interval for the mean of each group. An interval plot works best when the sample size is at least 10 for each group.

    • Interval bars

      Interval bars show the central tendency and variability of...

  2. support.minitab.com › graphs › general-graph-optionsInterval bars - Minitab

    Interval bars show the central tendency and variability of sample distributions. By default, interval plots display 95% confidence intervals for the mean.

  3. Use a two-sided confidence interval to estimate both likely upper and lower values for the mean response. Use a two-sided prediction interval to estimate both likely upper and lower values for a single future observation.

  4. Here you will learn how to use Minitab to construct a confidence interval for a mean. The procedure is similar to the one that you learned earlier in this lesson for constructing a confidence interval for a proportion.

  5. Minitab can provide confidence intervals for means, for example, via the Graphs > Interval Plot menu. Confidence intervals for pairwise comparisons of means from a General Linear Model can be obtained via Stat > ANOVA > General Linear Model > Comparisons. This requires you to first fit a model.

  6. A tutorial on how to do Confidence Interval Plots (compare Means) and Graphical Summary in Minitab

  7. We worked through this example in last week’s tutorial, and we found that the 95% confidence interval for μ was (0.497mm, 0.583mm). We will now see how Minitab can be used to compute such intervals. (a) Notice that this is “case 1”, as the population standard deviation σ is known.

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