The highway patrol is interested in determining the average speed of automobiles traveling on I-75 between Chattanooga and Atlanta. To accomplish this task, the speed of every tenth car passing a particular point on I-75 is recorded.
a.
What is the population for this study?
b.
What constitutes the sample?
c.
Is speed a categorical or a quantitative variable?
d.
What type of measurement scale is used?
What will be an ideal response?
| a. | All the automobiles on I-75 |
| b. | All the tenth cars |
| c. | quantitative |
| d. | ratio |
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