I know this is easy but..

[jfgavina]

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.. I'm always forgetting about it. If the mean score of step 1 is 225 and the standard deviation is 20 and I get 245 I'm a standard deviation above the mean value, so how many percent of students are above me and below me?

 

[sp226]

There would be 84% below you and 16% above you

 

[ctizzle13498]

68-95-99.7 rule

so ur 1 standard deviatation above the mean thus 68% is between 205-245, thus 16% is below 205 and 16% is above 245

 

[jfgavina]

There would be 84% below you and 16% above you

thanks for the answers I understand that but what about people that have the same score as me? 84+16= 100 so 84 have below me, 16 have more than me and what about those who have the same score as me?

 

[rashy]

thanks for the answers I understand that but what about people that have the same score as me? 84+16= 100 so 84 have below me, 16 have more than me and what about those who have the same score as me?

You belong to the 84%. 84% of the people are below OR at your level. 16% are better.
If you wanna know how many % got the same score as you, take the difference between
The standard deviations for 245.5 and 244.5

 

[jfgavina]

thanks rashy 🙂 I think that goes beyhond the scope of step 1. just to add, I hate bioch and I hope that my exam is scarce on bioch!

 

[rashy]

when is your exam coming up?

 

[jfgavina]

november the 7th.. reading FA now, 80 pages a day