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Sample Size and CI Mean
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"If you can´t measure it, you can´t improve it!" - Peter Drucker
"Without data, you´re just another person with an opinion!" - W. Edwards Deming
"Statistics is the grammar of science!" - Karl Pearson
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Sample Size Calculation for the Mean
User Instructions
The standard deviation must be given
From the remaining 3 fields you need to fill
exactly
two
The program will calculate the 3rd and return a table with all the values
Data
Mandatory: Standard Deviation:
Alpha Level:
Sample Size:
Half-width of the confidence interval:
Upload & Calculate
Disclaimer
ifss does not store submitted data
ifss does not further process submitted data
ifss does not take any responsibility for the correctness of the calculation results
Submitted data will be cleared upon closing of the tool window
By submitting the data set the user accepts the above stipulations
