Biostatistics

Using R software find below.

1. What is the Standard Deviation of the variable weight?
2. We are trying to show that the true proportion of people who smoke is greater than 40%. What is your p-value?
3. Need to createa a contingency table using the variable Sex and RegExercise. How many women exercise regularly?

I will share data in .RData format once someone accept the assignment. I also need to know how you got the answers. So may be you can use screen-o-matic that way I know how you arrived to that conclusion.

Thank you

I don't know how to attach a .RData file to the question. This is all info I have. I wish I can give you more info.

You can download the .RData file from this link from my google drive.

https://drive.google.com/file/d/1vHpRZYjD9t1wvMkk4xWZ15KPk1Os1NDm/view?usp=sharing

Thanks