SCENARIO 11-7 a Student Team in a Business Statistics Course

question 23

True/False

SCENARIO 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 Scenario 11-7, the randomized block F test is valid only if the population of diameters is normally distributed for the 4 brands.

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Definitions:

Fraction Form

Fraction form is a way to represent numbers by showing how many parts of a whole are there, typically written with one number over another, separated by a line.

Proportion

A relationship between two quantities denoting their ratio.

Securities

Financial instruments that represent an ownership position in a publicly-traded corporation (stock), a creditor relationship with a governmental body or a corporation (bond), or rights to ownership as represented by an option.

Punch Recipe

A set of instructions for making a large, usually sweet and fruity drink intended to serve multiple people.