In an application to estimate the mean number of miles that downtown employees commute to work roundtrip each day,the following information is given: The point estimate for the true population mean is:
A)1.638.
B)4.33 ± 1.638.
C)4.33.
D)3.50.

Question

In an application to estimate the mean number of miles that downtown employees commute to work roundtrip each day,the following information is given:  The point estimate for the true population mean is:
A)1.638. 
B)4.33 ± 1.638. 
C)4.33. 
D)3.50.

Quizplus · Accepted Answer

The given information does not have any point estimate for the true population mean. Therefore, we cannot choose option A or B. Option D is also not correct as there is no information given about the mean of the data. However, we can choose option C as it gives the only information provided in the question, which is the value of the mean commute distance roundtrip of downtown employees being 4.33.

In an Application to Estimate the Mean Number of Miles