TABLE 11-7 a Student Team in a Business Statistics Course Designed an Designed

question 176

True/False

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 relative efficiency means that 1.0144 times as many observations in each brand would be needed in a one-way ANOVA design as compared to the randomized block design in order to obtain the same precision for comparison of the different means.

---

Definitions:

Special Prosecutor

A legal officer appointed to investigate, and potentially prosecute, cases of legal or governmental wrongdoing, often where there is a conflict of interest for regular prosecutors.

Kenneth Starr

An American lawyer and former judge who gained fame for his role as the independent counsel investigating President Bill Clinton in the 1990s.

Monica Lewinsky

A former White House intern known for her involvement in a scandalous affair with President Bill Clinton, leading to his impeachment proceedings in 1998.

Humanitarian Mission

An operation conducted to provide aid and relief to people in need, especially in situations of crisis, natural disasters, or conflicts.