Welch two sample mean test
The mean difference, Welch degree of freedom and the two-sided t-test P value were calculated for the two independent numerical values.
Welch two sample mean test User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Sample A is 1,2,3,4,5, and sample B is 2,3,4,5,6.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Use sample variance, standard error and welch-satterthwaite freedom to calculate the tail probability of T distribution.
scope of use
Independent observation and appropriate distribution conditions are required, and the validity of the research is not determined; the calculation is rejected when there is no change in both groups.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Independent observation and appropriate distribution conditions are required, and the validity of the research is not determined; the calculation is rejected when there is no change in both groups. Please compare the input unit, rounding method, applicable rules and data version first.