Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
Which data set below has
the weakest correlation?
|
|
|
2.
|
The data below shows the screen size of the
largest iPhone available over the last several years.
Find the correlation
coefficient for the years after 2007 compared to the screen size.
| | | |
|
|
|
3.
|
Which would be the best trend line for the
given data set?
| | | |
|
|
|
4.
|
The data below shows the distance of a
commercial flight and the cost of the air fare charged for the trip.
Find the linear
regression model for ‘x’ miles traveled compared to the cost in
‘y’ dollars.
| | | |
|
|
|
5.
|
The data below shows the minimum wage
requirement of the U.S. government in years, x, after 1960. Based on the data provided, what could be
a good estimate for the minimum wage in 2015 (x = 55) using a linear
regression?
|  | | |
a. | $6.51 | c. | $7.03 | b. | $6.94 | d. | $7.25 |
|