SOLUTION: Please help me with this question. It was on a quiz I took and missed. There are four parts and I am lost. Someone please help! 11.(4 pts) The following statistics provide i

Question 195620: Please help me with this question. It was on a quiz I took and missed. There are four parts and I am lost. Someone please help!

11.(4 pts) 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 stanbon(75887) (Show Source): You can put this solution on YOUR website!
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?
Ans: Median = 450
-------------------------------
b) What was the most common score?
Ans: Mode = 468
------------------------------------
c) What percentage of the test takers scored 678 or better?
Ans: 25% is above the 3rd Quartile
-------------------------------------
d) If Joe had a score of 890, explain the meaning of his score.
Ans: 90% have a lower score
-------------------------------------
Cheers,
Stan H.

RELATED QUESTIONS
I have a quiz and I missed a question on it that said what is the decimal value of sin... (answered by Fombitz)

This is a problem tha was on a quiz. I missed it totally. Can someone please help me? I (answered by Mathtut)

This is a question on a quiz I missed. Can someone show me how to figure it out. 1.(4... (answered by user_dude2008)

HELP Please. I don't have a clue about geometry. Can someone show me how? I missed... (answered by Alan3354)

Please help me. I missed a week of school and I am so lost. I have this take home test... (answered by haileytucki,lwsshak3)

I missed this one on my quiz yetersday can someone please help me I went wrong so where.... (answered by jim_thompson5910)

please i need someone help can anyone answer this problem for me I miss this on my quiz (answered by Alan3354)

2x � (7 + x) < x will someone please help me with this question... i am lost. thank... (answered by jim_thompson5910)

could someone please help me with these fraction.These ones are either multiply or... (answered by Alan3354)