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Earn +20 ptsQ: What is the formula for x-bar in statistics?
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How the formula of z obtained?
The formula for Z obtained is zobt equals the average of the sample (Xbar)minus the average of the population (u), divided b the standard deviation of the sample (s), divided be the square root of N. Example: Zobt= X-u ,divided by s ,divided by ,square root of N
What is differential statistics?
Differential statistics are statistics that use calculus. Normally statistics would use algebra but differential statistics uses calculus instead of algebra.
Example of a class size in statistics?
25-30 in a class in statistics
The mean median and mode are examples of what type of statistics?
descriptive statistics
Mathematician who contributed to the developments of statistics?
John Graunt created population statistics.
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