×

### Let's log you in.

or

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

×

or

## QBAchapt 1 and 2 study guide

by: Nikita Hendricks

5

0

2

# QBAchapt 1 and 2 study guide 2305

Marketplace > Baylor University > Business > 2305 > QBAchapt 1 and 2 study guide
Nikita Hendricks

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

×
Unlock Preview

9/18/16
COURSE
QBA
PROF.
Prof. Turner
TYPE
Study Guide
PAGES
2
WORDS
CONCEPTS
QBA
KARMA
50 ?

## Popular in QBA

This 2 page Study Guide was uploaded by Nikita Hendricks on Tuesday September 20, 2016. The Study Guide belongs to 2305 at Baylor University taught by Prof. Turner in Fall 2016. Since its upload, it has received 5 views. For similar materials see QBA in Business at Baylor University.

×

## Reviews for QBAchapt 1 and 2 study guide

×

×

### What is Karma?

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

Date Created: 09/20/16
QBA 2 STUDY GUIDE Least squares point estimates Values if b0, b1, b2... that minimize SSE Mean Square Error (s2) The difference between the estimator and what is estimated Standard Error (se) Measures the accuracy with which sample represents a population the smaller the better Explained variation (SSR) A quantity that measures the amount of the total variation in the observed values of y that is explained by the predictor variable X Total variation (SST) Measures the total amount of variation exhibited by the observed values of the dependant variable y Unexplained variation (SSE) Measures the amount of variation in the values of y that is not explained by the predictor variable Multiple coefficient of determination (R2) SSR/SST The proportion of variability in the dependant variable Y that is explained by the regression model (values range from 0 to 1) Adjusted multiple coefficient of determination (Rline^2) Takes into account the number of independent variables and their contribution Leverage value (distance value) Lies away from the rest of the data on the x-y plane but lies close to the regression line If large have substantial leverage in determining least squares prediction estimation Dummy variable (indicator variable) Model qualitative variables either take onto values a value of zero or one Use these variables to describe the effects of different levels of the qualitative independent variable in a regression model Interaction The relationship between the mean value of the dependent variable y and an independent variable X is dependent on the value of another independent variable Multicollinearity Exists among the independent variable's in a regression situation if these independent variables are related to or dependent upon one another Correlation matrix Dependents between multiple variables of the same time Variance inflation factor Quantifies the severity of Multicollinearity in an ordinary least squares regression analysis Stepwise regression Meet certain criteria in order to make it into the model

×

×

### BOOM! Enjoy Your Free Notes!

×

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

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!"

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

Forbes

#### "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

#### STUDYSOUP CANCELLATION 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 support@studysoup.com

#### STUDYSOUP REFUND POLICY

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: support@studysoup.com

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 support@studysoup.com