FIGURE 1.22 Time plot of the monthly count of new single-family hous January 1990 and July 2019, for Exercise 1.45. The data sets in the One-Variable Statistical 1.46 Choosing Class Intervals. Student engineers learn that. applet on the text website include the "pulling D although handbooks give the strength of a material as a applet apart" data given in this exercise. How mis single number, in fact the strength varies from piece to piece. A vital lesson in all fields of study is that "variation intervals does the applet choose when draws is everywhere. " Here are data from a typical student labo- histogram? Use the applet to make several him ratory exercise: the load in pounds needed to pull apart with a larger number of class intervals. Are the pieces of Douglas fir 4 inches long and 1.5 inches square: important features of the data that are revealed a larger number of class intervals? Which histop 33,190 31,860 32,590 26,520 33.280 you prefer? Explain your choice. 32,320 33.020 32,030 30.460 32,700 23,040 30.930 32,720 33,650 32,340 24,050 30,170 31,300 28,730 31,920