As a first example, use Minitab to summarize the following data. The data give traffic death rates (per 100 mio motor vehicle miles) for each of the 50 states.
6.4 7.1 4.5
8.8 4.6 5.0
6.2 3.5 5.3
5.6 3.9 4.1
4.4 4.2 3.0
5.3 4.6 6.5
2.8 5.6 5.4
5.2 5.6 7.1
5.5 7.0 5.2
6.1 6.2 5.5
4.7 4.8 4.5
7.1 4.4 4.7
4.3 8.0 6.2
5.1 4.6 4.3
5.9 3.2 4.7
5.0 8.0 6.5
5.6 4.7
See the page about starting Minitab
for instructions on how to start up Minitab and read in the data set.
Once the data is in column c1, use the describe command
to get some mean, median and variance
on the data:
describe c1To understand the printout of the describe command , look at:
help describe
Click here for an answer.
hist c1to plot a histogram for the traffic death data. Use help hist if you need some help to interpret the plot. Another form of graphical summary for one-sample data is a box-plot
boxplot c1Boxplots display the main features of a data set. The middle half of the data set (25th to 75th percentiles) is represented by a box, and the median is marked with a ``+''. The extent of the data and the location of possibly extraordinary values are indicated on either side of the box with a ``whisker''. Type
help boxplotfor more help. To leave Minitab use the command:
stop