THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 134

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A large department store records the number of returns per day in women's dresses for reasons such as wrong size;husband didn't like it,color,etc.The manager of the women's dresses department recalls from her statistics class in college that the Poisson distribution might describe such events.A random sample of 150 days is taken.The number of returns per day in the sample as well as the observed frequencies is shown in the table below:

She tests the hypothesis that returns per day are Poisson distributed with a population mean equal to 1.90.Her significance level is 0.05
-Why would anyone want to do a Goodness-of-Fit-test?

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Definitions:

Peak Experience

A term coined by Abraham Maslow referring to a profound moment of extreme satisfaction, happiness, or feeling of fulfillment.

Maslow

Maslow refers to Abraham Maslow, a psychologist known for creating Maslow's hierarchy of needs, a theory in psychology regarding human motivation.

Self-actualization

A concept in humanistic psychology referring to the inherent drive to realize one's full potential and to achieve personal fulfillment and self-improvement.

Kin Selection

An evolutionary strategy that favors the reproductive success of an organism's relatives, even at a cost to the organism's own survival and reproduction.