SCENARIO 10-14 the Use of Preservatives by Food Processors Has Become a Become

question 98

Multiple Choice

SCENARIO 10-14
The use of preservatives by food processors has become a controversial issue.Suppose two preservatives are extensively tested and determined safe for use in meats.A processor wants to compare the preservatives for their effects on retarding spoilage.Suppose 15 cuts of fresh meat are treated with preservative I and 15 are treated with preservative II,and the number of hours until spoilage begins is recorded for each of the 30 cuts of meat.The results are summarized in the table below.

-Referring to Scenario 10-14,state the null and alternative hypotheses for testing if the population variances differ for preservatives I and II.

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Definitions:

Behaviour Therapy

A therapeutic approach that seeks to modify maladaptive behaviors through reinforcement, punishment, and conditioning.

B. F. Skinner

A prominent psychologist renowned for his work in behaviorism, particularly the development of the theory of operant conditioning.

Hans Eysenck

A German-born British psychologist known for his work on intelligence and personality, particularly his development of the three-factor model of personality.

Unconditioned Stimulus

An impulse that inherently induces a reaction without requiring earlier education.