A Sample of 22 Bottles of Soft Drink Showed a Variance

question 38

Essay

A sample of 22 bottles of soft drink showed a variance of 0.64 in their contents. At 95% confidence, determine whether or not the standard deviation of the population is significantly different from 0.7. Use the critical value approach.

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Definitions:

Direct Perception

The theory that suggests sensory information is inherently meaningful and that objects in the environment afford opportunities for action without the need for cognitive processing.

Affordances

The opportunities or possibilities for action provided by objects and environments to an organism.

Agnosia

A neurological disorder marked by the inability to recognize objects, persons, sounds, shapes, or smells while the specific sense is not defective nor is there any significant memory loss.

Distal Stimulus

Objects or events in the external world that provide the physical energy that is then converted by the sensory organs into neural energy, leading to perception.