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how to find sample mean statistics. The random variable X has a mean denoted m X and a standard deviation denoted s X. The sample mean is represented by x bar.
Finding Probability Of A Sampling Distribution Of Means Example 2 Sampling Distribution Probability Distribution from www.pinterest.com
First calculate the sample mean. First add your data points together. Divide sum by the number of samples.
M 267 13 m 267 13 Simplify the right side of m 267 13 m 267 13.
The reliability of the sample mean is estimated using the standard error which in turn is calculated using the variance of the sample. The random variable X has a mean denoted m X and a standard deviation denoted s X. Maybe n is 10. How to calculate the sample mean 1.
