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

question 196

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 is the critical value for testing the block effects at a 0.05 level of significance?

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Definitions:

Classical Conditioning

A training method where a previously insignificant stimulus is linked with a significant one, gaining the ability to provoke comparable reactions.

Cat Food

A type of animal feed specifically formulated to meet the nutritional needs of domestic cats.

Backward Conditioning

A conditioning method where the unconditioned stimulus is presented before the conditioned stimulus, which is less common and generally less effective than forward conditioning.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any learning needed.