A Statistician Employed by a Consumer Testing Organization Reports That

question 108

Short Answer

A statistician employed by a consumer testing organization reports that at 95% confidence he has determined that the true average content of the Uncola soft drinks is between 11.7 to 12.3 ounces. He further reports that his sample revealed an average content of 12 ounces, but he forgot to report the size of the sample he had selected. Assuming the standard deviation of the population is 1.28, determine the size of the sample.

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Definitions:

Axial Loading

Load applied along or parallel to the main axis of an object, typically leading to compressive or tensile stress.

Centrifugal Loading

The force exerted outward on a body moving in a circular path around a central point.

Centripetal Loading

The force acting on a body moving in a circular path directed towards the center around which the body is moving.

Shear Loading

A condition where a material or structure is subjected to forces that cause sliding failure along a parallel plane to the forces applied.