Chapter 2 Minitab Presenting data Pie chart Put

Chapter 2 Minitab: Presenting data

Pie chart • Put the categories from Example 2. 3 in C 1 of the worksheet and their frequencies in C 2. • Note that the first column is now C 1 -T, the T denoting that it is a text column • Enter the names of the variables as shown.

• Select Pie Chart from the Graph menu.

• In the Pie Chart command window select Chart values from a table. • Type C 1 under Categorical variable: and C 2 under Summary variables.

• Click the OK button and the graphic will appear.

Simple bar chart • Enter the categories and frequencies from Example 2. 3 in C 1 and C 2.

• Select Bar Chart from the Graph menu.

• In the next window access the Bars represent: menu and choose Values from a table.

• Select the Simple chart type then click OK.

• Specify C 2 under Graph variables: and C 1 under Categorical variable: then click OK.

• The chart appears in a new window.

Stacked bar chart • Using the data from Example 2. 4 list the retailers in C 1, the number of transactions with cards in C 2 and the number of transactions without cards in C 3.

• Choose Bar Chart from the Graph menu.

• In the next window choose Values from a table from the Bars represent: menu.

• Choose the Stack chart type from the selection under Two-way table then click OK.

• Specify C 2 and C 3 in the space under Graph variables: . • Specify C 1 under Row labels: . • Under Table Arrangement click Rows are outermost categories and columns are innermost. • Click OK.

• The chart appears in a new window.

Cluster bar chart • Using the data from Example 2. 4 enter the retailers in C 1, the number of transactions with cards in C 2 and the number of transactions without cards in C 3.

• Choose Bar Chart from the Graph menu.

• In the next window choose Values from a table from the Bars represent: menu.

• Choose the Cluster chart type from the selection under Two way table then click OK.

• Specify C 2 and C 3 in the space under Graph variables: . • Specify C 1 under Row labels: . • Under Table Arrangement click Rows are outermost categories and columns are innermost. • Click OK.

• The chart appears in a new window.

Histogram • Put the data from Example 2. 11 into a worksheet column.

• Select Histogram from the Graph menu.

• Choose the Simple chart from the set in the Histograms window and click OK.

• Type C 1 under Graph variables: in the command window that appears and click OK.

• The graph appears in a new window.

Scatter diagram • Put the data from Example 2. 24 into C 1 and C 2.

• Select Scatterplot from the Graph menu.

• Choose the Simple chart from the set in the Scatterplots window and click OK.

• In the command window specify C 2 and C 1 under the Y variables and X variables columns respectively then click OK.

• The graph appears in a new window.

Time series chart • Put the Employees data from Example 2. 25 in C 1.

• Select Time Series Plot from the Graph menu.

• Choose the Simple chart from the set in the Time Series Plots window and click OK.

• Type C 1 under Series in the command window and click OK.

• In the graph a default time scale labeled Index will appear along the horizontal axis. • Customize the time scale by returning to the Time Series Plot window.

• Click the Time/Scale button and under Time Scale click Calendar. Pick Year from the Calendar options. • Enter the first time period, which for the data in Example 2. 25 is 2010.

• Enter the first time period, which for the data in Example 2. 25 is 2010. • Click OK then OK in the Time Series Plot – Simple box.

• The graph appears with a customised horizontal scale.