With the observations on the strength (in pounds per square inch) of $2 \times 4$ pieces of lumber already set in $\mathrm{C} 1$, the sequence of choices and clicks produces an even more complete summary (see Figure 2.17).

From the ordered data

(a) obtain the quartiles

(b) construct a histogram and locate the mean, median, $Q_{1}$, and $Q_{3}$ on the horizontal axes

(c) repeat parts (a) and (b) with the aluminum alloy data on page 29.

Transcribed Image Text:

Stat Basic Statistics > Graphical Summary Type strength in Variables. Click OK.