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01
Descriptive
02
Normal
03
Confidence interval
04
Sample size
05
t-test
06
Chi-square
07
Correlation
08
Probability
Survey sample size calculator
A
Input
Proportion (survey)
Mean
Margin of error
Confidence level
80%
90%
95%
98%
99%
99.9%
Margin of error ±% points
Margin of error ±E (units)
Expected SD σ
Sample size n
Expected proportion p (%)
Population size N
Expected response rate (%)
R
Result
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Related:
Survey Sample Size: Choosing It from Margin of Error and Confidence Level