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A Sample of 49 Measurements of Tensile Strength for Roof

question 6

Essay

A sample of 49 measurements of tensile strength for roof hangers are calculated to have a mean of 2.45 and a standard deviation of 0.25.(Units are Newton's per square meter.)
a.Determine the 95% confidence interval for mean tensile strength for all hangers.
b.Interpret this confidence interval.


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Observational Learning

A learning process that occurs through observing the behavior of others and the outcomes of those behaviors.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, which was developed by B.F. Skinner.

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed, theorized to lead to depression and other mental illnesses.

Psychopathology

The scientific study of mental disorders, including their symptoms, etiology (causes), and treatment.

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