Sample Size Calculator – Agriculture Statistics

Single Mean

Estimate a mean with a chosen precision.

Confidence Level (%)

Standard Deviation

Margin of Error

Population Size (optional)

Required Sample Size:—

Plan a two-group comparison of means.

Significance Level (%)

Statistical Power (%)

Allocation Ratio (Group 2 : Group 1)

Test

Effect Input

Common Standard Deviation

Minimum Detectable Difference

Cohen's d

Group 1:—

Group 2:—

Total:—

Estimate a population proportion.

Confidence Level (%)

Expected Proportion (%)

Margin of Error (%)

Population Size (optional)

Required Sample Size:—

Plan a two-group comparison of proportions.