Solve the Problem. -Among a Random Sample of 150 Employees of a Particular

question 15

Multiple Choice

Solve the problem.
-Among a random sample of 150 employees of a particular company, the mean commute distance is 25.4 miles. this mean lies 1.7 standard deviation(s) below the mean of the sampling distribution. In a second sample of 150 employees selected from the same company, the mean commute distance is 31.7 miles. This second sample mean lies 2 standard deviation(s) above the mean of the sampling distribution. If a third sample of 150 employees is selected, what is the probability that the sample mean will lie between 25.4 and 31.7?

• A)0.9772
• B)0.9326
• C)0.0218
• D)0.0446

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Definitions:

Scale of Measurement

The method or standard used to quantify the variables researchers are interested in, such as nominal, ordinal, interval, and ratio scales.

Interval

Scale used to categorize, rank order, and arrange data so that an equal interval unit appears between each of the scores.

Descriptive Statistics

Set of statistical analyses that can be used to organize and describe the characteristics of a set of data.

Inferential

Pertaining to inferential statistics, which involves making predictions or inferences about a population based on a sample of data.