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

question 56

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 randomized block F test is valid only if there is no interaction between the diameters of the 4 brands of bubble gums and the 4 ability of the students.

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Definitions:

Work Done

In physics, it is the measure of energy transfer that occurs when an object is moved over a distance by an external force at least partly in the direction of the displacement.

Autocratic Style

A management style characterized by individual control over all decisions and little input from group members, often leading to a clear, authoritative command structure.

Command-and-control

A traditional management style that relies on hierarchical structure, strict discipline, and clear orders.

Team Members

Individuals who are part of a group collaboratively working towards a common goal, sharing responsibilities and tasks.