Statistics help

given a sample with n=12 x=30.2 s=2.2: find the standardized test statistic t, and beta=.01 if null: u=29

Suppose you want to plan a wedding. There are 20 men and 15 Women in the family. IN how manny ways can you pick 12 men and 12 women for you wedding?

What does class width mean? I am working on the age of the signers of the declaration of independence

My question is about statistics....I am confused about discrete and continuous variable....my teacher said that stars are continuous variable but why?I agree they are infinite but they are in whole numbers and will be counted not measured....if we take stars a continuous variable then why don't we...

I'm sorry! I can not find anywhere to post my question about Statistics, so I decided to post this in Accounting! If this is not suitable for this Box, please let me know. My question is about constructing a Box-Whisker Plot in Statistics. How do we draw whiskers when the Mean is outside the Box...