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

question 174

Short Answer

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,what are the degrees of freedom of the randomized block F test for the difference in the means at a level of significance of 0.01?

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Definitions:

Flexible Budget Performance Report

A financial report that compares actual operating results to budgeted amounts adjusted for actual activity levels.

Activity Variance

The difference between the planned budget of an activity and the actual expenses incurred.

Net Operating Income

The earnings derived from the primary activities of a business before the subtraction of any taxes and interest charges.

Tenant-Days

A metric in property management that represents the total number of days that tenants occupy a space over a specific period.