Stock Index Performance on November 27, 2007, the Dow Jones

question 106

Multiple Choice

Stock Index Performance On November 27, 2007, The Dow Jones Industrial Average closed at 12,958.44, which was up 215.04 that day. What was the return (in percent) of the stock market that day?

• A) -.017%
• B) +.017%
• C) -1.69%
• D) +1.69

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Definitions:

Critical Value

A critical value is a threshold in hypothesis testing that defines the boundary or cutoff points for deciding whether to reject the null hypothesis.

Population Mean

The average value of a property in a population, calculated by summing the values of all members of the population and dividing by the total number of members.

Confidence Interval

A range of values derived from sample statistics that is likely to cover the true parameter of the population with a certain level of confidence.

Standard Deviation

A statistic that measures the dispersion of a dataset relative to its mean.