SOLUTION: I have discussion question that I cannot figure out how to do! Can anybody help me?!?! Thank you! The questoin reads as follows: The following statistics provide inform

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Question 212199: I have discussion question that I cannot figure out how to do! Can anybody help me?!?! Thank you!

The questoin reads as follows:
The following statistics provide information about the scores on a national History exam.
Mean 540 First Quartile 260
Median 450 Third Quartile 678
Mode 468 90th Percentile 890
a) What score did half of the test takers surpass?
b) What was the most common score?
c) What percentage of the test takers scored 678 or better?
d) If Joe had a score of 890, explain the meaning of his score.

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
a) the median is in the middle, half above, half below
b) mode appears most often
c) 1/4
d) he got between 90% and 100%