A Mail-Order Business Prides Itself in Its Ability to Fill

question 66

Multiple Choice

A mail-order business prides itself in its ability to fill customers' orders in six calendar days or less on the average.Periodically,the operations manager selects a random sample of customer orders and determines the number of days required to fill the orders.Based on this sample information,he decides if the desired standard is not being met.He will assume that the average number of days to fill customers' orders is six or less unless the data suggest strongly otherwise.On one occasion where a sample of 40 customers was selected,the average number of days was 6.65,with a sample standard deviation of 1.5 days.Can the operations manager conclude that his mail-order business is achieving its goal? Use a significance level of 0.025 to answer this question.

• A)Since 2.2216 < 2.4511,reject H₀ and conclude that the mail-order business is not achieving its goal
• B)Since 2.7406 > 2.023,reject H₀ and conclude that the mail-order business is not achieving its goal.
• C)Since 2.4421 > 2.023,reject H₀ and conclude that the mail-order business is not achieving its goal.
• D)Since 2.2346 < 2.5113,reject H₀ and conclude that the mail-order business is not achieving its goal.

Understand the concept of group dynamics, including group polarization and groupthink.

Grasp the principles of social neuroscience and its methods, like using imaging technology to explore brain activities related to social behaviors.

Learn about social loafing and factors affecting individual performance in group settings.

Recognize the influence of social and cultural factors on perception and decision-making.

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Definitions:

Legislative Branch

The branch of government responsible for making laws; in the U.S., it consists of the Congress, which is divided into the Senate and House of Representatives.

Statutes

Written laws passed by a legislative body at both the federal and state levels.

Shape Constancy

The perceptual skill that allows individuals to recognize the shape of an object as the same, even when its angle, distance, or lighting changes.

Peripheral Vision

The ability to see objects and movement outside of the direct line of vision, towards the edges of the visual field.