Job Losses Soon After the September 11 Attacks Could Be

question 89

Multiple Choice

Job losses soon after the September 11 attacks could be viewed as just part of the first round of reduced aggregate expenditure. The second round occurred when

• A)government starting spending more on national security
• B)people who lost jobs or feared they would lose their jobs started spending less
• C)businesses invested in back-up data centers in case their main computers were attacked
• D)consumers went back to shopping at the urging of government officials
• E)All of the answers are correct

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Definitions:

Times A Day

A frequency measure indicating the number of times an event occurs within a single day.

Inferential Statistics

A branch of statistics that uses a random sample of data taken from a population to describe and make inferences about that population.

Descriptive Statistics

Statistical methods that summarize and describe the features of a data set, including measures of central tendency and variability.

Hypotheses

Proposed explanations made on the basis of limited evidence as a starting point for further investigation, often tested statistically.