Basic Business Statistics, Student Value Edition (13th Edition)
Basic Business Statistics, Student Value Edition (13th Edition)
13th Edition
ISBN: 9780321946393
Author: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
Publisher: PEARSON
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Chapter 1, Problem 44PS

Three professors examined awareness of four widely disseminated retirement rules among employees at the University of Utah. These rules provide simple answers to questions about retirement p1anning (R. N. Mayer, C. D. Zick, and M. Glaittle, “Public Awareness of Retirement Planning Rules of Thumb." Journal of Personal Finance, 2011 10(1), 12-35). At the time of the investigation, there were approximately 10,000 benefited employees, and 3,095 participated in the study. Demographic data collected on these 3,095 employees included gender, age (years), education level (years completed), marital status, household income $ , and employment category.

a. Describe the population of interest.

b. Describe the sample that was collected.

c. Indicate whether each of the demographic variables mentioned is categorical or numerical.

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(a) Interpret the estimated coefficients stating if they are statistically significant in explaining price of houses. Also interpret R squared. SUMMARY OUTPUT price and pool Regression Statistics Multiple R 0.294065 R Square 0.086474 Adjusted F 0.077605 Standard E 0.463742 Observatio 105 ANOVA df SS MS F ignificance F Regression 1 2.09679 2.09679 9.749948 0.002328 Residual 103 22.15083 0.215057 Total 104 24.24762 Intercept Coefficientstandard Err t Stat P-value Lower 95% Upper 95%.ower 95.0%/pper 95.0% 1.028381 0.218189 X Variable -0.00301 0.000965 4.71326 7.66E-06 0.595655 1.461107 0.595655 1.461107 -3.12249 0.002328 -0.00493 -0.0011 -0.00493 -0.0011 SUMMARY OUTPUT price and bedroom Regression Statistics 0.467377 Multiple R R Square 0.218441 Adjusted F 0.210853 Standard E 1.334785 Observatio 105 ANOVA df SS Regression Residual Total 103 104 MS F 1 51.29003 51.29003 28.78794 183.51 1.78165 234.8 ignificance F 5E-07 Coefficientstandard Err t Stat P-value Lower 95% Upper 95%.ower…
(Q1) I have attached the dataset for Good Year Real estate home sales, with the selling prices in the first column. (a) Consider the variables "prices", bedrooms, "pool", size", "garage" and "baths". (b) Find out the correlation coefficients among all these variables. Do you see some high correlation between any two variables? correlation coefficients 0.467377 of prices and bedrooms correlation coefficients -0.20059 of pool and size correlation coefficients 0.221289 of garage and baths (c) Identify which variables are the dummy variables in your dataset. Pool and Garage (d) Next, you do multiple regression analysis. Using Excel, present a regression output between price as the dependent variable and all the other variables selected in (a) as independent variables. Include dummy variables from the dataset provided. 2 Price and bedroom porce and pool 3 price price and sze 24) price and garage price and baths

Chapter 1 Solutions

Basic Business Statistics, Student Value Edition (13th Edition)

Ch. 1 - The director of market research at a large...Ch. 1 - Visit the website of the Pew Research organization...Ch. 1 - Transportation engineers and planners want to...Ch. 1 - Visit the home page of the Statistics Portal...Ch. 1 - For a population containing N=902 individual, what...Ch. 1 - For a population of N=902, verify that by starting...Ch. 1 - Given a population of N=93, starting in row 29,...Ch. 1 - For a study that consists of personal interviews...Ch. 1 - You want to select a random sample of n=1 from a...Ch. 1 - A population has four members (called A, B, C, and...Ch. 1 - The registrar of a university with a population of...Ch. 1 - Prenumbered sales invoices are kept in a sales...Ch. 1 - Prob. 25PSCh. 1 - A Survey indicates that the vast majority of...Ch. 1 - A simple random sample of n=300 full–time...Ch. 1 - The results of a 2013 Adobe system study on retail...Ch. 1 - Prob. 29PSCh. 1 - Prob. 30PSCh. 1 - What is the difference between a sample and a...Ch. 1 - What is the difference between a statistic and...Ch. 1 - What is the difference between a categorical...Ch. 1 - What is the difference between a discrete...Ch. 1 - What is the difference between a nominal scaled...Ch. 1 - What is difference between an interval scaled...Ch. 1 - What is the difference between probability...Ch. 1 - Visit the official website for either Excel...Ch. 1 - Prob. 39PSCh. 1 - The Gallup organization releases the results of...Ch. 1 - Prob. 41PSCh. 1 - Prob. 43PSCh. 1 - Three professors examined awareness of four widely...Ch. 1 - A manufacturer of cat food is planning to survey...
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