You can create a graph like the following example using data arranged in different layouts in the worksheet.

To create a simple bar chart, choose the layout option that is similar to your worksheet.

Follow these steps if your worksheet contains a column of measurement data and at least one column of categorical data for grouping. Minitab graphs a function of the data, such as the mean or the sum.

C1 | C2 |
---|---|

LightOutput | GlassType |

550 | 1 |

1070 | 1 |

1328 | 3 |

... | ... |

- Choose .
- Under Bars represent, choose A function of a variable.
- Under One Y, choose Simple, then click OK.
- Under Function, choose the function of the graph variable that you want to graph. In the example, Mean is the function.
- Under Graph variables, enter a column of numeric or date/time data. In the example, LightOutput is the graph variable.
- Under Categorical variable, enter a column of categorical data. In the example, GlassType is the categorical variable.
- Click OK.

Follow these steps if your worksheet contains multiple columns of measurement data and each column is a group. Minitab graphs a function of the data, such as the mean or the sum.

C1 | C2 | C3 |
---|---|---|

1 | 2 | 3 |

550 | 1035 | 1328 |

1070 | 1312 | 1000 |

530 | 579 | 1299 |

... | ... | ... |

- Choose .
- Under Bars represent, choose A function of a variable.
- Under Multiple Y's, choose Simple, then click OK.
- Under Function, choose the function of the graph variable that you want to graph. In the example, Mean is the function.
- Under Graph variables, enter multiple columns of numeric or date/time data. In the example, 1, 2, and 3 are the graph variables.
- Click OK.

Follow these steps if your worksheet contains a column of summarized data and a corresponding column of categorical data.

C1 | C2 |
---|---|

Mean LightOutput | GlassType |

1000 | 1 |

980 | 2 |

950 | 3 |

- Choose .
- Under Bars represent, choose Values from a table.
- Under One column of values, choose Simple, then click OK.
- Under Graph variables, enter the column of summarized data. In the example, Mean LightOutput is the graph variable.
- Under Categorical variable, enter the column of categorical data. In the example, GlassType is the categorical variable.
- Click OK.

Follow these steps if your worksheet contains a column of categorical data and each row is an observation. Minitab graphs the count of each value in the column.

C1 |
---|

GlassType |

1 |

1 |

2 |

... |

- Choose .
- Under Bars represent, choose Counts of unique values.
- Choose Simple, then click OK.
- Under Categorical variables, enter a column of categorical data. In the example, GlassType is the categorical variable.
- Click OK.