Question

Recall that Table 1.9 (page 14) presents the breaking strengths of 40 trash bags selected during a 40- hour pilot production run. Figure 2.17 gives a percent frequency histogram of these breaking strengths.
a. Describe where the breaking strengths seem to be concentrated.
b. Describe and interpret the shape of the distribution of breaking strengths.
c. What is the class length?
d. Write out the classes and construct a percent frequency ogive for the breaking strengths using these classes.
In Table 1.9
Trash Bag Breaking Strengths
48.5............ 50.7
52.3............ 48.2
53.5............ 51.5
50.5............ 49.0
50.3............ 51.7
49.6............ 53.2
51.0............ 51.1
48.3 ............ 52.6
50.6............ 51.2
50.2............ 49.5
52.5............ 49.4
47.5............ 51.9
50.9 ............ 52.0
49.8............ 48.8
50.0 ............ 46.8
50.8 ............ 51.3
53.0 ............ 49.3
50.9 ............ 54.0
49.9 ............ 49.2
50.1 ............ 51.4
In Figure 2.17


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  • CreatedMay 28, 2015
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