Which of the following is a true statement for comparing the t distribution with standard normal?

Lowest value of variance can be________?

If we reject the null hypothesis, we might be making________?

Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?

For two independent random variables X & Y, Var (x ± y)=________?

2nd Quartile = 5th Decile = 50th Percentile =?