Recent content by adgalo

As what you have said earlier, two-sample t-test can show evidence that two samples are from the same underlying population. What should be my assumptions here? Do I have to assume that my sample sizes (SET 1 and SET 2) are equal and my population variances are unknown?

Thank you very much chiro. I guess my problem boils down on how do i treat them as separate populations. Lately, I realized that indeed SET 1 and SET 2 are from different populations based on their characteristics. Before I posted my problem here in the forum, I was thinking that ANOVA should be...

Here is the scenario: Let's say that two sets of samples (SET 1 and SET 2) are from the same population (N=1000). SET 1 and SET 2 has the same sample size (n=500). SET 1 is composed of doctors only, and their average (mean) price that they are willing to pay for a certain product (a new drug) is...