All Possible Random Samples of 200 Middle Managers Are Selected

question 117

Multiple Choice

All possible random samples of 200 middle managers are selected from a population for a study concerning their mean annual income.The population standard deviation is computed to be $2,248.5.What is the standard deviation of the sampling distribution of the means?

• A)$47.42
• B)$11.24
• C)$158.99
• D)$57.86

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Definitions:

Auscultation

The medical practice of listening to the internal sounds of the body, typically using a stethoscope, to assess the condition of heart, lungs, or other organs.

Heel-to-shin

A neurological test involving running the heel of one foot down the shin of the opposite leg, testing coordination and motor function.

Supine Position

Laying horizontally with the face and torso facing up, commonly used in medical contexts.

Mammogram

An X-ray photograph of the breast used to detect tumors or other abnormalities.