Joe’s last LSAT score was 0.5 standard deviations below the average LSAT score. Approximately what percent of entering students have an LSAT score lower than Joe’s? standard deviation is 40 and average score is 700. Number of entering students is 9,000
+118704 Thank you Gino for providing this web address.
I hope to put it to good use in the future. :)
To answer this question you go wher Gino sent you
http://www.danielsoper.com/statcalc3/calc.aspx?id=55
but put the z score of -0.5 in (You want the percentage of scores which are more than 0.5 z scores below the mean
It gives you the answer of 0.30853754
This is 30.853754% and that is your answer. :) (Just as Gino said)
+23254 Approximately 30.85%
Once you know the standard deviation value, the other values aren't necessary to find the percentage.
If you need a calculator, go to this site: http://www.danielsoper.com/statcalc3/
Choose 'Cumulative Distributive Function (CDF) Calcuator for the Standard Normal Distribution'.
When you are at the correct page, enter 0.5; its response is the percent below the value that you entered.
+118704 Thank you Gino for providing this web address.
I hope to put it to good use in the future. :)
To answer this question you go wher Gino sent you
http://www.danielsoper.com/statcalc3/calc.aspx?id=55
but put the z score of -0.5 in (You want the percentage of scores which are more than 0.5 z scores below the mean
It gives you the answer of 0.30853754
This is 30.853754% and that is your answer. :) (Just as Gino said)
