A Sample of 75 Information Systems Managers Had an Average

question 16

Multiple Choice

A sample of 75 information systems managers had an average hourly income of $40.75 with a standard deviation of $7.00.The value of the margin of error at 95% confidence is

• A) 80.83.
• B) 7.00.
• C) .81.
• D) 1.61.

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