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TABLE 11-7
A student team in a business statistics course designed an experiment to investigate whether the brand of bubblegum used affected the size of bubbles they could blow. To reduce the person-to-person variability, the students decided to use a randomized block design using themselves as blocks. Four brands of bubblegum were tested. A student chewed two pieces of a brand of gum and then blew a bubble, attempting to make it as big as possible. Another student measured the diameter of the bubble at its biggest point. The following table gives the diameters of the bubbles (in inches) for the 16 observations.
-Referring to Table 11-7, the null hypothesis for the F test for the block effects should be rejected at a 0.05 level of significance.
Social Stratification
The hierarchical arrangement of individuals in a society based on factors like wealth, race, education, and power.
Titanic
The British passenger liner that sank in the North Atlantic Ocean in 1912 after colliding with an iceberg, leading to significant loss of life.
Upper-upper Class
The segment of the upper class that consists of people who have acquired wealth over generations, often combined with social prestige and inherited status.
New Money
Refers to wealth that has been acquired recently, as opposed to wealth that has been inherited over generations.
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