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Read the following and answer the questions that follow.
If 5 people are transferred from E to R and another independent set of 5 people are transferred back from R to E, then after this operation (Assume that the set transferred from R to E contains none from the set of students that came to R from E)
What can be said about E’s average?
  • a)
    Will decrease
  • b)
    Will always increase if R’s average changes 
  • c)
    May increase or decrease
  • d)
    Will increase only if R’s average decreases
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Read the following and answer the questions that follow.If 5 people ar...
Since the lowest score in Class R is 23 which is more than the highest score of any student in Class E. Hence, E’s average will always increase.
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Most Upvoted Answer
Read the following and answer the questions that follow.If 5 people ar...

Explanation:

Transfer of 5 people from E to R and vice versa:
- When 5 people are transferred from E to R, the average age of E will decrease as the set of people transferred has been removed from E.
- When another independent set of 5 people are transferred back from R to E, the average age of E will increase as a new set of people are added to E.

Effect on E's average:
- If R's average age changes, it will have an impact on E's average age as well.
- When people are transferred from R to E, if R's average age increases, then E's average age will also increase due to the new set of people added to E.
- Conversely, if R's average age decreases, then E's average age will also increase as the set of people transferred back from R to E will be younger, thus increasing E's average age.

Conclusion:
- Therefore, E's average age will always increase if R's average age changes, making option 'B' the correct choice.
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Read the following and answer the questions that follow.If 5 people are transferred from E to R and another independent set of 5 people are transferred back from R to E, then after this operation (Assume that the set transferred from R to E contains none from the set of students that came to R from E)What can be said about E’s average?a)Will decreaseb)Will always increase if R’s average changesc)May increase or decreased)Will increase only if R’s average decreasesCorrect answer is option 'B'. Can you explain this answer?
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