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- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Correct Answer: C
Correct Answer: C
Method / Topic: Statistics
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: C
Method / Topic: Statistics
Identify the relevant statistical concept (median) and apply its standard definition or transformation rule.
Arrange the observations as 5, 7, 9, 11, 13, 15, 17. The middle observation is 11.
CHECK: Verify the result directly from the observations or the applicable statistical rule.
EXAM TIP: First identify whether the
Do not interchange mean, median and mode, and do not confuse variance with standard deviation.
PRACTICAL EXAMPLE: The same statistical
can be used to summarize marks, measurements, frequencies or other numerical observations.
Therefore, the correct
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Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- List the given numbers and units.
- Choose the formula that matches the asked value.
- Simplify carefully and compare with options.
Find the median of 11, 7, 15, 9, 13, 5 and 17.
Explanation
Correct Answer: C
Method / Topic: Statistics
The answer follows from the arithmetic relation between the given values.
Short Explanation
Detailed Explanation
Correct Answer: C
Method / Topic: Statistics
Identify the relevant statistical concept (median) and apply its standard definition or transformation rule.
Arrange the observations as 5, 7, 9, 11, 13, 15, 17. The middle observation is 11.
CHECK: Verify the result directly from the observations or the applicable statistical rule.
EXAM TIP: First identify whether the
Do not interchange mean, median and mode, and do not confuse variance with standard deviation.
PRACTICAL EXAMPLE: The same statistical
can be used to summarize marks, measurements, frequencies or other numerical observations.
Therefore, the correct
See full explanation + shortcut trick
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