An Experiment Involves Selecting a Random Sample of 256 Middle

question 50

Multiple Choice

An experiment involves selecting a random sample of 256 middle managers for study. One item of interest is their annual income. The sample mean is computed to be $35,420. If the population standard deviation is $2,050,what is the standard error of the mean?

• A)$128.125
• B)$138.36
• C)$2,050
• D)$8.01

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Definitions:

Migratory Birds

Birds that travel from one region or climate to another at regular times of the year, often for breeding or climate conditions.

Fallacy of Composition

The error of assuming that what is true of a member of a group is true for the group as a whole.

Complex Product

A product that is made up of various components and possibly involves intricate processes in its manufacture or usage.

Assembly Line

A manufacturing process in which parts are added to a product in a sequential manner to create a finished product much faster than with handcrafting-type methods.