Answer:variable - interval
Explanation: In the this scenario, The humanities instructor is using a variable-interval schedule of reinforcement. The instructor used the word 'surprise' meaning the time and date of the test isn't fixed and the quizzes will come up at unpredictable time intervals. This kind of reinforcement results in a steady response rate as it keeps students on their toes simply due to the fact that they have no idea of when the quizzes are coming up.
Answer:
The answer is, a V-shaped canyon, steep incline, rapid movement, transport of large sedimants.
Explanation:
it makes a little more sense
Answer:
c. possible to test for equality of three or more population proportions
Explanation:
The answer is ---
c. possible to test for equality of three or more population proportions.
When ever there is a three or more than three populations, then it is possible to test for the equality for three or more than three population proportions using a chi-square tests.
A chi-square test can be used to determine the equality of population proportion for three or more than three populations. It is very versatile and an expand theory.
Hence the answer is
c. possible to test for equality of three or more population proportions.
