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

question 181

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,the among-block variation or SSBL is .

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Definitions:

Exports

Exports refer to goods or services produced in one country and sold to buyers in other countries, contributing to the exporting country's economy.

Outsourcing

The business practice of hiring a party outside a company to perform services or create goods that traditionally were performed in-house by the company's own employees.

Manufacturing

The activities and processes used in making tangible products; also called production.