The Distribution of Sample Means for Scores on a Test

question 88

Multiple Choice

The distribution of sample means for scores on a test for samples of size 100 is normal with a mean of 63.3 and a standard deviation of 1.5. If a sample of 100 test scores is selected at random, what is the probability that the sample mean will be less than 60.6?

• A)0.9641
• B)0.0668
• C)1.8
• D)0.0359

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Definitions:

Decision Making

The cognitive process of selecting a course of action from among multiple alternatives.

Spans Of Control

The number of subordinates or units that a manager or leader can directly oversee effectively.

Managers

Individuals responsible for planning, organizing, directing, and controlling resources to achieve specific organizational goals.

Subordinates

Employees or team members who are lower in rank or position and are typically under the direction of a manager or supervisor.