New User Special Price Expires in

Let's log you in.

Sign in with Facebook


Don't have a StudySoup account? Create one here!


Create a StudySoup account

Be part of our community, it's free to join!

Sign up with Facebook


Create your account
By creating an account you agree to StudySoup's terms and conditions and privacy policy

Already have a StudySoup account? Login here


by: Chyna Hettinger

StatisticswithApplications STA120

Chyna Hettinger
CSU Pomona
GPA 3.83


Almost Ready


These notes were just uploaded, and will be ready to view shortly.

Purchase these notes here, or revisit this page.

Either way, we'll remind you when they're ready :)

Preview These Notes for FREE

Get a free preview of these Notes, just enter your email below.

Unlock Preview
Unlock Preview

Preview these materials now for free

Why put in your email? Get access to more of this material and other relevant free materials for your school

View Preview

About this Document

Class Notes
25 ?




Popular in Course

Popular in Statistics

This 2 page Class Notes was uploaded by Chyna Hettinger on Saturday October 3, 2015. The Class Notes belongs to STA120 at California State Polytechnic University taught by JefferyGarland in Fall. Since its upload, it has received 36 views. For similar materials see /class/218375/sta120-california-state-polytechnic-university in Statistics at California State Polytechnic University.


Reviews for StatisticswithApplications


Report this Material


What is Karma?


Karma is the currency of StudySoup.

You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/03/15
Statistics Definitions Bivariate Data data that involves two variables the quantities from these two variables are often represented using a scatter plot This is done so that the relationship if any between the variables is easily seen Response variable The outcome ofa study a variable you would be interested in predicting or forecasting Often called a dependent variable or predicted variable Explanatory variable Any variable that explains the response variable Often called an independent variable or predictor variable Confounding is an extraneous variable in a statistical model that correlates positively or negatively with both the dependent variable and the independent variable Lurking variable an extraneous variable in a statistical model that correlates positively or negatively with both the dependent variable and the independent variable Bias A statistic is biased if it is calculated in such a way that it is systematically different from the population parameter of interest Sampling Bias when a sample is collected in such a way that some members of the intended population are less likely to be included than others It results in a biased sample a non random samplem ofa population or non human factors in which all individuals or instances were not equally likely to have been selectedlzl If this is not accounted for results can be erroneously attributed to the phenomenon under study rather than to the method of sampling Nonresponse Bias Non response bias occurs in statistical surveys if the answers of respondents differ from the potential answers of those who did not answer Response Bias Response bias is a type of cognitive bias which can affect the results of a statistical survey if respondents answer questions in the way they think the questioner wants them to answer rather than according to their true beliefs Sampling Error sampling error or estimation error is the error caused by observing a sample instead ofthe whole population Nonsampling error A statistical error caused by human error to which a specific statistical analysis is exposed These errors can include but are not limited to data entry errors biased questions in a questionnaire biased processingdecision making inappropriate analysis conclusions and false information provided by respondents Control Group a group of subjects closely resembling the treatment group in many demographic variables but not receiving the active medication or factor under study and thereby serving as a comparison group when treatment results are evaluated Treatment Group When analyzing data the treatments are specified either as numerical values or as levels of a factor When several different treatments are being studied at the same time a given subject or item in the experiment would be described by values or factors associated with each ofthe different treatments as well as by any observed outcomes from the experiment Experimental Design We are concerned with the analysis of data generated from an experiment It is wise to take time and effort to organize the experiment properly to ensure that the right type of data and enough of it is available to answer the questions of interest as clearly and efficiently as possible This process is called experimental design


Buy Material

Are you sure you want to buy this material for

25 Karma

Buy Material

BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.


You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

Why people love StudySoup

Steve Martinelli UC Los Angeles

"There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Allison Fischer University of Alabama

"I signed up to be an Elite Notetaker with 2 of my sorority sisters this semester. We just posted our notes weekly and were each making over $600 per month. I LOVE StudySoup!"

Bentley McCaw University of Florida

"I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"


"Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!

Refund Policy


All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email


StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here:

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.