In a certain experiment, the data collected is the number of organisms per sample, and this data follows a normal distribution. If the sample of data has a mean of 50 and a standard deviation of 12, which of the following is exactly 1.75 standard deviations more than the mean?  Select
A) a) 48	B) b) 60	C) c) 71	D) d) 77.5	E) e) 81
Standard Deviation is a relatively rare category in the Quant section, although you're like to be tested on it 1 time on Test Day. You'll never be asked to calculate SD though, so you really just need to learn the basic 'concepts' behind it.   Here, we're told two things about a group of numbers:   1) The average of the group is 50   2) The standard deviation of the group is 12   If you go 1 SDupfrom the average, you hit.....50+12 = 62   If you go 1 SDdownfrom the average, you hit.....50-12 = 38   If you go 2 SDsupfrom the average, you hit.....50+2(12) = 74   If you go 2 SDsdownfrom the average, you hit.....50-2(12) = 26   Etc.   Here, we're asked for the number that is EXACTLY 1.75 SDs above the mean....   1.75 SDsupwould be.....50 + 1.75(12) = 71   c) 71
<result>C</result>
In a certain experiment, the data collected is the number of organisms per sample, and this data follows a normal distribution. If the sample of data has a mean of 50 and a standard deviation of 12, which of the following is exactly 1.75 standard deviations more than the mean?