The average on an exam is 72 with a standard deviation of 6. A student scores a 78. How many standard deviations is he above or below the average. PLEASE HELP!

Question

anonymous · Answer

1 standand deviation about. 78-6/72=1

anonymous · Answer

above sorry

anonymous · Answer

Thank you so much!!!!!!!!!!!!!!!!!!!!! Yes, I had to be that outrageous. Lol. So you just subtract the standard deviation from the raw number and divide it by whatever the average is?

anonymous · Answer

Sorry its actually 78-72/6

anonymous · Answer

Its the raw score- mean/standard deviation. SAme answer, 1

anonymous · Answer

Okay, I think I get it now. Much appreciated! Have a great night!