Answer:
Emergency
Explanation:
When checking the emergency brakes, the tractor protection control valve should be placed in the Emergency.
The traction protection helps to prevent the loss of grips of the tires on road surfaces which may cause accidents.
This is the basic reason why the tractor protection control valve should be placed in the Emergency during general checks on the machine parts such as emergency brakes.
Answer:
The correct answer is letter "C": the 170 students who were interviewed.
Explanation:
The target population is a portion, a certain amount of the whole population -the universe- that shares similar characteristics. In the example, at first, we are told that the research will take place among 17 American colleges. Then, on each campus, 10 volunteers are enrolled. So:
<em>10x17=170
</em>
Meaning 170 students total will be the target population for this research.
Answer:
Construct validity.
Explanation:
Construct validity is most appropriately used for selection process because it measures the extent to which a test claims by comparing with other tests which is made in the basis of observation or measurement of test scores. This reveal how well ideas are translated into measures.
Construct validity is carried out by comparing the test with other tests which measure the same qualities.