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

question 121

True/False

TABLE 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 Table 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:

Regression

A statistical method for predicting the value of a dependent variable based on the value(s) of one or more independent variables, or a defense mechanism leading to reversion to an earlier stage of development.

Psychosexual Stage

A concept in Freudian psychology that describes phases during childhood where the libido is focused on different body parts.

Defense Mechanism

Psychological strategies developed by the unconscious mind to protect an individual from anxiety or unacceptable thoughts and feelings.

Fixation

In psychoanalytic theory, an obsessive interest or attachment to a developmental phase or aspect of personal interaction.