OptionC and optionD is the answer
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Answer:
A nonresponse might lead to a bias in the study due to the fact that the counselor may assume that those who did not reply to the email may have tried alcohol and they didn't want him(the counselor) to know.
Step-by-step explanation:
In statistical research, a bias is said to occur when systematic errors are introduced into sampling or testing by selecting or favoring one outcome over other outcomes.
Now, applying that definition to this question, we can say that a nonresponse might lead to a bias in the study due to the fact that the counselor may assume that those who did not reply to the email may have tried alcohol and they didn't want him(the counselor) to know.
Answer:
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Step-by-step explanation:
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Answer:
Logan's average swimming speed = 0.625 metres/second
Mia's average swimming speed0.833 metres/second
Step-by-step explanation:
Speed is obtained by dividing the distance covered by the time taken to cover such a distance.
<em>It will be necessary to make sure we are working in seconds for our time units.</em>
Logan's swimming time: 1/3 hours will be = 20 minutes = 1200 seconds
Mia's swimming time: 1/4 hours will be = 15 minutes = 900 seconds
Logan swam 750 metres. Logan's swimming speed will be
750metres / 1200 seconds = 0.625 metres/second
Mia's distance swam is 3/3 of Logan's. If we reduce the fraction 3/3 to its lowest term, we will have that it will be = 1/1.
1/1 X 750metres = 750 metres.
This means that Mia swam exactly the same distance as Logan.
Mia's swimming speed = 750 metres/ 900 seconds = 0.833 metres/second
