Add/Subtract/Multiply/Divide Standard Deviations?
918247
what it means is this 4 plus negative .01 and with the other it's 5 plus negative .04 its simple. if you know what it means and if you took notes look at them. it may help a little
266823
Enter the number into MS Excel, then use the standard deviation formula from the "function" option. Your answer will depend on whether those numbers represent the population or just a sample from a population.
790619
you can use the normal calculator of windows for these conversions.\n\nOptions are only available in a scientific view of the calculator.
692485
since u haven't given us much data use ur calculator \ndivide all terms then add them
221335
Standard deviation of a random variable X is defined as: \nό=√E((X-E(X))2) = √E(X2)-(E(X))2\n(the 2's of course are squares)
900946
S.D. = ((Sigma xi^2 - (Sigma xi / n)) / (n-1))^1/2
769504
divide by 22/7 or pi or 3.142
267652
use ur score x 0.25 and the other score x 0.75\n\nthen add them together \n\nthat would be ur new score!!
1184809
take the variable in float, then add %2. for 02 and %.2 for 0.02
545599
subract 32 then divide by 1.8 (or mulitply by 5/9 --- same thing)
999718
what was the question?\n\n\nDo you want to know terms like mean, average, mode, standard deviation, etc.?
93955
change mixed fractions to proper fractions and then divide,\nwhats so hard?
73727
Angle of deviation, d = i1 + i2 - A\nA= r1 + r2\nIn minimum deviation, µ = {sin(A+D)/2}/(sinA/2)
928318
Standard deviation tells how far away a number in a set is from the mean. Like in data where the numbers are 2,4,6,8,10, the mean of this data is 6. So you have to find the difference of each number and the mean, then square each answer and add together(Sum of squared deviations). Divide this answer by the same number you divided the mean by - 1. So in this case you divided the the total of the numbers above by five, so divide the sum of squared deviation/5-1, this gives you the number they call the variance, take the square root of the answer, and you will get the standard deviation.  So, the sum of the squares for this example is 40, by taking the the square root, you get 6.32
295663
Use standard deviation formula and put the percent deviation < tolerance limit
1018969
Just google it dear..very simple..calculate mean and average the sum of square of variation of each score from the mean.\nhttp://davidmlane.com/hyperstat/A16252.html
682546
Mean = 2.59\nMedian = 3.1\n\nAnswer: 3.1 - 2.59 = 0.51