EBK MODERN BUSINESS STATISTICS WITH MIC
5th Edition
ISBN: 9780100475038
Author: williams
Publisher: YUZU
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Chapter 15.3, Problem 13E
a.
To determine
Compute
b.
To determine
Find
c.
To determine
Comment on the goodness of fit
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The following estimated regression equation based on 30 observations was presented.
ŷ = 17.6 + 3.8x1 − 2.3x2 + 7.6x3 + 2.7x4
The values of SST and SSR are 1,808 and 1,780, respectively.
(a)
Compute R2.
(b)
Compute
Ra2.
(c)
Comment on the goodness of fit.
The exercise involving data in this and subsequent sections were designed to be solved using Excel.
The following estimated regression equation is based on 30 observations. ^y = 17.2 + 3.6x1 – 2.2x2 + 7.8x3 – 2.9x4
The values of SST and SSR are 1,805 and 1,762 , respectively.
Compute R2 (to 3 decimals).
The exercise involving data in this and subsequent sections were designed to be solved using Excel.
The following estimated regression equation is based on 30 observations.
Y^ = 17.7 + 3.8x1 – 2x2 + 7.4x3 + 2.7x4
The values of SST and SSR are 1,809 and 1,762, respectively.
Compute R2 (to 3 decimals).
Compute R2a ? (to 3 decimals).
Chapter 15 Solutions
EBK MODERN BUSINESS STATISTICS WITH MIC
Ch. 15.2 - 1. The estimated regression equation for a model...Ch. 15.2 - Consider the following data for a dependent...Ch. 15.2 - Prob. 3ECh. 15.2 - 4. A shoe store developed the following estimated...Ch. 15.2 - The owner of Showtime Movie Theaters, Inc. would...Ch. 15.2 - NFL Winning Percentage. The National Football...Ch. 15.2 - Prob. 7ECh. 15.2 - Scoring Cruise Ships. The Condé Nast Traveler Gold...Ch. 15.2 - The Professional Golfers Association (PGA)...Ch. 15.2 - Baseball Pitcher Performance. Major League...
Ch. 15.3 - 11. In exercise 1, the following estimated...Ch. 15.3 - 12. In exercise 2, 10 observations were provided...Ch. 15.3 - Prob. 13ECh. 15.3 - Prob. 14ECh. 15.3 - 15. In exercise 5, the owner of Showtime Movie...Ch. 15.3 - Prob. 16ECh. 15.3 - In part (d) of exercise 9, data contained in the...Ch. 15.3 - Prob. 18ECh. 15.5 - In exercise 1, the following estimated regression...Ch. 15.5 - Prob. 20ECh. 15.5 - Prob. 21ECh. 15.5 - Prob. 22ECh. 15.5 - Testing Significance in Theater Revenue. Refer to...Ch. 15.5 - Prob. 24ECh. 15.5 - The Condé Nast Traveler Gold List provides ratings...Ch. 15.5 - Prob. 26ECh. 15.6 - Prob. 27ECh. 15.7 - 32. Consider a regression study involving a...Ch. 15.7 - Prob. 33ECh. 15.7 - 34. Management proposed the following regression...Ch. 15.7 - Repair Time. Refer to the Johnson Filtration...Ch. 15.7 - Prob. 36ECh. 15.7 - The Consumer Reports Restaurant Customer...Ch. 15.8 - Prob. 40ECh. 15.8 - Exercise 5 gave the following data on weekly gross...Ch. 15.8 - The following table reports the price, horsepower,...Ch. 15.8 - Prob. 43ECh. 15 - 49. The admissions officer for Clearwater College...Ch. 15 - The personnel director for Electronics Associates...Ch. 15 - Prob. 46SECh. 15 - Recall that in exercise 44, the admissions officer...Ch. 15 - Recall that in exercise 45 the personnel director...Ch. 15 - Prob. 49SECh. 15 - Prob. 50SECh. 15 - Fortune magazine publishes an annual list of the...Ch. 15 - The National Basketball Association (NBA) records...Ch. 15 - Consumer Research, Inc., is an independent agency...Ch. 15 - Matt Kenseth won the 2012 Daytona 500, the most...Ch. 15 - When trying to decide what car to buy, real value...
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