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Solve this faster with the right shortcut first
Shortcut used: Convert average into total first; most average questions are total questions.
Solve in 3 steps:
- Write average and count.
- Find total = average x count.
- Adjust total if values are added/removed/replaced.
Common mistake: Do not update the average without updating the total.
Question 8
Multiple Choice Question
Question
Find the average of 26, 34, 42, 50 and 58.
Explanation
Correct Answer: A
ANSWER
Correct Answer: A
Method / Topic: Average
The average is 42.
Why this answer is correct
The answer follows from total divided by number of values.
Short Explanation
The average is 42.
Detailed Explanation
Question
Find the average of 26, 34, 42, 50 and 58.
ANSWER
Correct Answer: A
Method / Topic: Average
The total is 210. Dividing 210 by 5 gives 42.
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Question 8
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Learn + solve
Shortcut used, common trap, and the fastest solving route
Shortcut used: Convert average into total first; most average questions are total questions.
Solve in 3 steps:
- Write average and count.
- Find total = average x count.
- Adjust total if values are added/removed/replaced.
Common mistake: Do not update the average without updating the total.
Question
Find the average of 26, 34, 42, 50 and 58.
Explanation
Correct Answer: A
ANSWER
Correct Answer: A
Method / Topic: Average
The average is 42.
Why this answer is correct
The answer follows from total divided by number of values.
Short Explanation
The average is 42.
Detailed Explanation
Question
Find the average of 26, 34, 42, 50 and 58.
ANSWER
Correct Answer: A
Method / Topic: Average
The total is 210. Dividing 210 by 5 gives 42.
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