How to do a t-test in R

[@fp2551]

That joke at the start had me panicking and then loling hahahaha! Thank you, your is the only video I've been able to find that helped me with my problem 🙏

[@boryspikalov6360]

What does the confidence interval of -2.5 to -1.6 represent? Is it for difference in means?

[@pfizerpflanze]

Can you explain multiple t test?

[@very-normal]

Do you mean like multiple hypothesis testing or like a multivariate t-distribution?