Note: You may adjust sample size for t-distribution (applied by default), finite population or clustering by clicking the 'Adjust' button below.
Customize the plot by changing input values from here.
This visualisation assumes a 95% level of confidence and plots sample sizes for three precision levels for a range of standard deviation values. You may change the default values from the 'Customize Visualisation' panel.
Download FigureCustomize the table by changing input values from here.
This table shows sample sizes for a range of proportion and precision levels. You may change the default input values from the panel on the left.
Download Table