Hypothesis Test Graph Generator

Test Distribution:Normal Distribution
t Distribution

Sample Size (if t):

Test Type: Left-tailed

Critical Value:
Test Statistic Value:
Shade P-value region:
Image Size: Width=

Note: After clicking "Draw here", you can click the "Copy to Clipboard" button (in Internet Explorer), or right-click on the graph and choose Copy. In your Word processor, choose Paste-Special from the Edit menu, and select "Bitmap" from the choices

Note: This creates the graph based on the shape of the normal curve, which is a reasonable approximation to the t-distribution for a large sample size. These graphs are not appropriate if you are doing a t-distribution with small sample size (less than 30).