In an Application to Estimate the Mean Number of Miles

question 112

Multiple Choice

In an application to estimate the mean number of miles that downtown employees commute to work roundtrip each day,the following information is given: n = 20 = 4.33
S = 3.50
The point estimate for the true population mean is:

• A)1.638
• B)4.33 ± 1.638
• C)4.33
• D)3.50