A Statistician Selected a Sample of 16 Accounts Receivable and Determined

question 110

Short Answer

A statistician selected a sample of 16 accounts receivable and determined the mean of the sample to be $5,000 with a standard deviation of $400. He reported that the sample information indicated the mean of the population ranges from $4,739.80 to $5,260.20. He neglected to report what confidence coefficient he had used. Based on the above information, determine the confidence coefficient that was used. Assume the population has a normal distribution.

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Definitions:

Economic Growth

The increase in the inflation-adjusted market value of the goods and services produced by an economy over time, typically measured as the percentage increase in real gross domestic product (GDP).

Mass-Consumer Society

A society characterized by the widespread consumption of goods and services, largely driven by advertising, mass production, and an emphasis on consumerism.

Muckrakers

Journalists and authors who exposed social injustices and political corruption in the early 20th century.