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

Info3010, Week 14 notes

by: Rebecca Evans

Info3010, Week 14 notes Info3010

Marketplace > Tulane University > Business > Info3010 > Info3010 Week 14 notes
Rebecca Evans
GPA 4.0

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

How to interpret linear regression models and use the results.
Business Modeling
Srinivas Krishnamoorthy
Class Notes
25 ?




Popular in Business Modeling

Popular in Business

This 2 page Class Notes was uploaded by Rebecca Evans on Wednesday April 13, 2016. The Class Notes belongs to Info3010 at Tulane University taught by Srinivas Krishnamoorthy in Spring 2016. Since its upload, it has received 17 views. For similar materials see Business Modeling in Business at Tulane University.


Reviews for Info3010, Week 14 notes


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: 04/13/16
4.11 Broadway Box Office and Linear Regression  To download: o Fileoptionsadd-insmanage excel add-insadd in analysis tool-pack  To use regression o Datadata analysisregression o Input y-range: select column title and entire column (select a few cellsshift+control+down arrow to select entire column automatically) o Dependent variable: weekly gross $ (input y-range) o Independent variable: previous week’s gross income (input x-range) 4.13 Broadway Box Office and Regression  Output: rd o Y-intercept=$17,956 (coefficietnts, intercepts under 3 tarde) o Slope=0.96 (coefficients, previous week’s gross under 3 table) o Gross $=$17,956 + (0.96)previous week  P-value has to be less than 0.05 for the relationship to be valid o Find p-value: 3 table: p-value (column) and previous week’s gross $ (row)  Error term: part unexplained by model o Gross $=$17,956 + (0.96)previous week + random error term Making predictions  Point prediction o Prediction is single point or number o Suppose previous week $=$200,000 o Gross $=$17,956 + (0.96)($200,000)= $210,252 o But single number is not that accurateprefer to have a range  Interval prediction  95% interval prediction o Start with a point prediction $210,252 o Endpoints: point estimator +/- (2)standard error o Standard error (1 table, “regression statistics”) ----------------------------------------- $210,252----------------------------------------------------- o Endpoints $210,252 +/- (2)(67,652) o Endpoints=$345,557 and $74,947 o Standard distribution: capture 95% of data within 2 standard distributions awayuse 2 standard errors to find endpoints  Standard error similar to standard deviation o Spread out range because of the industry is high risk/unpredictable Exam  Don’t need to know how to create these tables  Need to be able to interpret table and outputs  Friday-watch videos online  Monday-regression and course wrap up  Wednesday, Friday, Monday-review Assignment 2 Most points off-question #1  Bayesian table Survey Positive negative Total Actual Successful 500(1-x) 500x 500 Unsuccessfu False positive=(0.3) 500-150= 500 l (500)= 350 150 Total 500(1-x)+150 1000  P(actually successful if survey says positive)=0.7  False positive= (500)(1-x)/ ((500(1-x)) +150)


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

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!"

Anthony Lee UC Santa Barbara

"I bought an awesome study guide, which helped me get an A in my Math 34B class this quarter!"

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."

Parker Thompson 500 Startups

"It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

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.