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Statistical Inference
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Terms in this set (10)
Population Mean
μ
Sum of the data/ over population N
Population Variance
σ²
sum of the squared deviations
Population of Standard Deviation
σ
Population proportion
p
Population size
N
the number of individuals in a population
Sample Mean
x̄
To calculate the "optimal" sample size, all of the following information is needed except
Sample Variance
s^2
Gives the average squared distance from observation in the data set to the mean of the data set.
Sample Standard Deviation
s
square root of the variance
Sample Proportion
p̂
ratio of members of a sample of the population with a particular characteristic to the total members of the sample
Sample Size
N
The number of subjects used in an experiment or study. Generally, the larger the better.
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