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Solve this faster with the right shortcut first
Shortcut used: Identify the quantity asked, write the given values, then apply the direct arithmetic formula.
Solve in 3 steps:
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Common mistake: Do not use a reasoning pattern shortcut in a quantitative question.
Question 4
Multiple Choice Question
Question
Find the mean of 8, 11, 14, 17, 20 and 23.
Explanation
Correct Answer: C
ANSWER
Correct Answer: C
Method / Topic: Statistics
The mean is 15.5.
Why this answer is correct
The answer follows from the arithmetic relation between the given values.
Short Explanation
The mean is 15.5.
Detailed Explanation
Question
Find the mean of 8, 11, 14, 17, 20 and 23.
ANSWER
Correct Answer: C
Method / Topic: Statistics
The total is 93. Dividing 93 by 6 gives 15.5.
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Question 4
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: Identify the quantity asked, write the given values, then apply the direct arithmetic formula.
Solve in 3 steps:
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Common mistake: Do not use a reasoning pattern shortcut in a quantitative question.
Question
Find the mean of 8, 11, 14, 17, 20 and 23.
Explanation
Correct Answer: C
ANSWER
Correct Answer: C
Method / Topic: Statistics
The mean is 15.5.
Why this answer is correct
The answer follows from the arithmetic relation between the given values.
Short Explanation
The mean is 15.5.
Detailed Explanation
Question
Find the mean of 8, 11, 14, 17, 20 and 23.
ANSWER
Correct Answer: C
Method / Topic: Statistics
The total is 93. Dividing 93 by 6 gives 15.5.
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