topic05a

# topic05a - 5.2 Distribution of sample mean 5.3 Central...

This preview shows page 1. Sign up to view the full content.

Topic 5A Sampling Distribution 5.1 Sampling variation : Since the sample is a random subset of the population, the sample mean and population mean will not be the same. Different samples will have different sample means. Sample mean is random variable which has distribution, mean and variance. (Population mean, sample mean, mean of sample mean!!!!????!!!)
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 5.2 Distribution of sample mean : 5.3 Central limit theorem: Even if the population is not normal, sample means from the population will be approximately normal as long as the sample size is large enough (n>30) 5.4 Distribution of difference between two sample means: For two samples, we call large samples only when both sample sizes >30 ....
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern