Exercise 2. A corporation administers an aptitude test to all new sales representatives. Management isinterested in the extent to which this test is able to predict sales representatives' eventual success. Theaccompanying table records average weekly sales (in thousands of dollars) and aptitude test scores fora random sample of eight representatives.Test score Weekly Sales55608575808565601012282418161512a. Estimate the linear regression of weekly sales on aptitude test scores.b. Interpret the estimated slope of the regression line.

Given information: The data for the average weekly sales and test scores are given.

Answered: Exercise 2. A corporation administers…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Is It Getting Harder to Win a Hot Dog Eating Contest?Every Fourth of July, Nathan’s Famous in New York City holds a hot dog eating contest. The table below shows the winning number of hot dogs and buns eaten every year from 2002 to 2015, and the data are also available in HotDogs. The figure below shows the scatterplot with the regression line. Year Hot Dogs 2015 62 2014 61 2013 69 2012 68 2011 62 2010 54 2009 68 2008 59 2007 66 2006 54 2005 49 2004 54 2003 45 2002 50 Winning number of hot dogs in the hot dog eating contest Winning number of hot dogs and buns Click here for the dataset associated with this question. (a) Is the trend in the data mostly positive or negative? Positive Negative (b) Using the figure provided, is the residual larger in 2007 or 2008?Choose the answer from the menu in accordance to item (b) of the question statement 20072008 Is the residual positive or…
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