To choose: The incorrect option regarding the given data.
Answer to Problem 8PT1
Option e is incorrect.
Explanation of Solution
Given information:
Number of IQ scores
The IQ scores are
Formula used:
Inter
Calculation:
Arranging in ascending order
The IQR for the 10 scores can be calculated as follows
The lower quartile is
Therefore the IQR for 10 scores is
Finding the IQR after removing 96
The new set of scores is
The IQR for the 9 scores can be calculated as follows
The lower quartile is
Therefore the IQR for 9 scores is
Conclusion:
Therefore, the IQR of scores after removing
Chapter 4 Solutions
The Practice of Statistics for AP - 4th Edition
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