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Science-Related Homework Help Statistics and Probability Topic started by: joshtatum92 on Feb 19, 2023



Title: If the underlying populations are normally distributed and both population variances are equal, the ...
Post by: joshtatum92 on Feb 19, 2023
If the underlying populations are normally distributed and both population variances are equal, the test statistic

\(\style{font-family:Times New Roman;}{\frac{{\overline X}_1-{\overline X}_2-\Delta_0}{S_p^2\sqrt{\frac1{n_1}+\frac1{n_2}}}}\)

follows a:



standard normal distribution if both samples are large.



Student’stdistribution with\(\style{font-family:Times New Roman;}{n-1}\)degrees of freedom.



standard normal distribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.



Student’stdistribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.



Title: Re: If the underlying populations are normally distributed and both population variances are equal, the ...
Post by: billykra on Feb 19, 2023
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