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Distribution of Sample Means (definition (a set of means, from all…
Distribution of Sample Means
2. Sampling Error
a discrepancy between sample & population
definition
a set of means
from all possible random sample of a specific size
selected from a specific population
3. Central Limit Theorem
Expected value of M
equal to population mean μ
Standard Error of M
4. Expected Value of M
two sample different means
yet close to population mean
Distribution mean = population mean
6. Standard Error of M
Accuracy of sample means
Std. Deviation of distribution sample
5. Standard Error
a.k.a. Standard Deviation
average of M and μ
Law of large numbers
7. Probability & Sample means
Unit normal table
consider n & σM
criteria for normal shape
“Take a census of all the congregation of the people of Israel,
Number 1:2
~ SOLI DEO GLORIA ~
