Tuesday
May 21, 2013

Posts by PsyDAG


Total # Posts: 15484

math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your later post.

math
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

algebra 1 help
D = 8 - N 10D + 5N = 70 = 10(8-N) + 5N = 80 - 5N 80 - 5N = 70 -5N = -10 N = 2 ****************** B = G+6 B + G = (G+6) + G = 28 Continue from there.

Probability
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See you later post.

Statistics
Find the mean of your sample first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance Z = (mean1...

Science...ANSWER ASAP
We do not have access to your task sheet.

algebra (?)
What is your question?

Statistics
Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like "area...

statistics
99% = mean ± 2.575 SEm SEm = SD/√n

Math (incomplete)
Since we do not have the diagram, we have no idea where C is.

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