Exhibit 8-6 A Sample of 75 Information System Managers Had an Average

question 120

Multiple Choice

Exhibit 8-6
A sample of 75 information system managers had an average hourly income of $40.75 with a standard deviation of $7.00.
-Refer to Exhibit 8-6. The standard error of the mean is

• A)80.83
• B)7
• C)0.8083
• D)1.611