SCENARIO 9-1 Microsoft Excel Was Used on a Set of Data Involving

question 110

True/False

SCENARIO 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant.A manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift.She will make her decision using a test with a level of significance of 0.10.The following information was extracted from the Microsoft Excel output for the sample of 46 cases:

-Referring to Scenario 9-1,the manager can conclude that there is sufficient evidence to show that the mean number of defective bulbs per case is greater than 20 during the morning shift with no more than a 1% probability of incorrectly rejecting the true null hypothesis.

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Definitions:

Social Loafing

The phenomenon where individuals exert less effort to achieve a goal when they work in a group than when they work alone.

Group Efficiency

Refers to the effectiveness with which a group is able to achieve its objectives, often measured by the outputs or outcomes produced by the collective efforts of its members.

Rationalization

The application of economic logic to human activity; the use of formal rules and regulations in order to maximize efficiency without consideration of subjective or individual concerns.

Social Identity Theory

A theory of group formation and maintenance that stresses the need of individual members to feel a sense of belonging.