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Scores obtained by two students P and Q in seven courses are given in the table below. Based on the information given in the table, which one of the following statements is INCORRECT?
Average score of P is less than the average score of Q.
Median score of P is same as the median score of Q.
Difference between the maximum and minimum scores of P is greater than the difference between the maximum and minimum scores of Q.
Median score and the average score of Q are same.
Average Scores:
Thus, 
, Option (a) is correct
Median Scores:
(ascending order) 
(ascending order) 
, option (b) is incorrect.
Range (Max-Min):
Range of 
, option (c) is correct.
Also, 
, Option (d) is correct.
Hence, option (b) is the answer.