# STA_282_Ch_8_Notes_Flash_Cards

- StudyBlue
- Michigan
- Central Michigan University
- Statistics
- Statistics 282
- Wang
- STA_282_Ch_8_Notes_Flash_Cards

**Created:**2010-02-25

**Last Modified:**2011-06-27

#### Related Textbooks:

Statistics for The Behavioral and Social Sciences: A Brief Course (5th Edition)#### Related Textbooks:

Statistics: Informed Decisions Using Data (3rd Edition)where

*x*is the number of individuals in the sample with the specified characteristic. The sample proportion,

*p̂*, is a statistic that estimates the population proportion,

*p*.

- The shape of the sampling distribution of p is approximately normal provided np (1- p ) ≥ 10.
- The mean of the sampling distribution of p is µ p =p .
- The standard deviation of the sampling distribution of p is p =sqrt(( p

__standard error of the mean__

*σ*

_{X}

*X*is normally distributed, the distribution of the sample mean, , is

*n*, increases. In other words, for any population, regardless of its shape, as the sample size increases, the shape of the distribution of the sample mean becomes more “normal.

*p̂*, is a statistic that estimates the

*p*

-The shape of the sampling distribution of p̂ is approximately ______ provided np(1-p) ≥ 10.

*n*with a population of proportion

*p*,

The mean of the sampling distribution of

*p̂*is

*µ*

_{p̂}

*=p*

*n*with a population of proportion

*p*,

-The standard deviation of the sampling distribution of

*p̂*is

#### Words From Our Students

"StudyBlue is great for studying. I love the study guides, flashcards, and quizzes. So extremely helpful for all of my classes!"

Alice, Arizona State University

"I'm a student using StudyBlue, and I can 100% say that it helps me so much. Study materials for almost every subject in school are available in StudyBlue. It is so helpful for my education!"

Tim, University of Florida

"StudyBlue provides way more features than other studying apps, and thus allows me to learn very quickly! I actually feel much more comfortable taking my exams after I study with this app. It's amazing!"

Jennifer, Rutgers University

"I love flashcards but carrying around physical flashcards is cumbersome and simply outdated. StudyBlue is exactly what I was looking for!"

Justin, LSU