Enter σ Enter Reliability % Enter Variability %
 

How does the Sample Size Reliability for μ Calculator work?
Free Sample Size Reliability for μ Calculator - Given a population standard deviation σ, a reliability (confidence) value or percentage, and a variation, this will calculate the sample size necessary to make that test valid.
This calculator has 3 inputs.

What 1 formula is used for the Sample Size Reliability for μ Calculator?

n = (Z-scoreα/22 x σ2)/SE2

For more math formulas, check out our Formula Dossier
What 4 concepts are covered in the Sample Size Reliability for μ Calculator?
confidence interval
a range of values so defined that there is a specified probability that the value of a parameter lies within it.
reliability
the overall consistency of a measure
sample size
measures the number of individual samples measured or observations used in a survey or experiment.
sample size reliability for μ



Sample Size Reliability for μ Calculator Video