Kristen Ashford Purchased the Subscribers List for Wind Surfing Magazine

question 81

Multiple Choice

Kristen Ashford purchased the subscribers list for Wind Surfing magazine.She plans to survey a sample of the subscribers before using the list in her mail order business.The names are numbered consecutively from 1 to 5,000.Kristen chooses her sample by selecting four-digit numbers (1 to 5,000) from a random number table.Her sample is a ___.

• A)simple random sample
• B)stratified sample
• C)systematic sample
• D)convenience sample
• E)cluster sample

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Definitions:

Mean Absolute Deviation

The average of the absolute differences between each data point in a set and the mean of that set, measuring variability.

Residuals

The deviation of true observations from the predictions made by a simulation or computational model.

Sample Size

The number of observations or entities that are selected from a larger population for the purpose of statistical analysis.

Regression Analysis

A statistical technique for estimating the relationships among variables, often used to predict the value of a dependent variable based on the values of one or more independent variables.