arrange the scores in order.
The 80th %ile is that score above 80% of the others.
Your score is the 78th %ile, so it should be close to the score found above.
Test scores of average 7th grade class are: 77,83,92,66,89,74,98,79,85,75,80,88,76,96,84,100,71,93,70,82
The mean is 82.9 and the standard deviaition is 9.7
1. What score is in the 80th percentile?
2. Your teacher tells you that your score beat 78% of the scores on the test. What was your score?
2 answers
what a 66 in 7th grade is