Author Question: At Cedar Rapids Community College, administrators want to determine the average commuting distance ... (Read 91 times)

mpobi80 · **on:** Jun 24, 2018

At Cedar Rapids Community College, administrators want to determine the average commuting distance for their students who commute to school. They randomly select 250 students who commute and ask them the distance of their commute to campus. From this group a mean of 19.3 miles is computed.
a. Describe/find the parameter.
b. Describe/find the statistic.
c. Describe the population.
d. Describe the sample.

Question 2

In regression analysis, an outlier is an observation whose _____.
a. mean is larger than the standard deviation
b. residual is 0
c. mean is 0
d. residual is much larger than the rest of the residual values

Edwyer · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

a. The mean commute distance for all commuting students at the college.
b. 19.3 miles.
c. All commuting students enrolled at the college.
d. The 250 randomly selected commuting students.

Answer to Question 2

d