PMC:7547912 / 8100-8312 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7547912","sourcedb":"PMC","sourceid":"7547912","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7547912","text":"nt}$$t=\\frac{{\\overline{x}}_1-{\\overline{x}}_2}{\\sqrt{\\frac{s_1^2}{n_1}-\\frac{s_2^2}{n_2}}}$$\\end{document}t=x¯1−x¯2s12n1−s22n2where, \\documentclass[12pt]{minimal} \t\t\t\t\\usepackage{amsmath} \t\t\t\t\\usepackage{wasysym","tracks":[]}