The Assistant menu first appeared in Minitab v16 to make the use of statistics and their interpretation more accessible. As such, this menu helps us select a control chart, before giving us some advice on our results. The Assistant menu does not offer all the control charts that are found under the Stat menu; it offers us only the most commonly used ones.
We will not look at any data but we will step through the decisions offered by the assistant in selecting a chart. Try the steps with your own data. The steps here follow the choices for an Xbar-R chart. This is to illustrate the choices given at each step of the Assistant menu.
The following steps will guide us through the Assistant tool decision tree to an Xbar-R chart:
Go to the Assistant menu and select Control Charts….
From the decision tree, select the top decision diamond Data type as shown in the following screenshot:
Read the description about the data type choice and...