Which of the following is true about the socio-ecological impact matrix?O a. It takes a life cycle perspective and considers all relevant social andenvironmental aspects.O b. It is a heuristic for analysing and visualizing the social and environmental hotspots of a productOc The socio-ecological impact matrix is a quantitative instrument.O d. A and B only

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Answered: Which of the following is true about…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Insurance (Life Expectancy). Insurance companies base their premiums on many factors, but basically all the factors are variables that predict life expectancy. Life expectancy varies from place to place. The following variables are from a data set on various measures obtained from the 50 US states (around 2009) Murder: rate per 100,000 HS Graduation: recorded as a percentage Income: per capita income in dollars Illiteracy: rate per 1,000 Life Expectancy: recorded in years 2008 Electoral vote state color: red / blue State electoral vote color coded: red = 1 / blue = 0 Multiple linear regression results: See Attachments please Write the multiple linear regression equation, use this equation to predict the Life expectancy for Pennsylvania and calculate the residual. Data: State Name Life Expectancy Murder HS Grad Income Illiteracy ColorCode Color Alabama 69.05 15.1 41.3 3624 2.1 1 red Alaska 69.31 11.3 66.7 6315 1.5 1 red Arizona 70.55 7.8 58.1 4530 1.8 1 red Arkansas…
An economist was interested in the relation between the disposable income of a family and the amount of money used for food per month. He did a preliminary study on eight randomly selected lower income families. (Each family was of the same size; father, mother and two children). The economist’s data are given in the table below. Food cost (Y) (in hundreds of rand) 55 60 42 40 37 26 39 43 Family disposable income(X) (in hundreds of rand) 30 36 27 20 16 24 19 25 Find the regression linear equation. What is the predicted food cost if the family disposable income is R1800? Find the correlation coefficient & Interpret r. Find the Coefficient of Determination & Interpret the R2.
DATAfile: Landscape David's Landscaping has collected data on home values (in thousands of $) and expenditures (in thousands of $) on landscaping with the hope of developing a predictive model to help marketing to potential new clients. Data for 14 households may be found in the file Landscape. HomeValue($1,000) LandscapingExpenditures($1,000) 242 8.1 321 10.8 198 12.2 340 16.2 300 15.6 400 18.9 800 23.5 200 9.5 521 17.5 547 22.0 437 12.1 464 13.5 635 17.9 356 13.9 (a) Develop a scatter diagram with home value as the independent variable. A scatter diagram has a horizontal axis labeled "Home Value ($1,000)" with values from 0 to 900 and a vertical axis labeled "Landscaping Expenditures ($1,000)" with values from 0 to 25. The scatter diagram has 14 points. A pattern goes down and right from (198, 21.9) to (800, 6.5). The points are scattered moderately from the pattern. A scatter diagram has a horizontal axis labeled "Landscaping Expenditures…
The Pilot Pen Company has decided to use 15 test markets to examine the sensitivity of demand for its new product to various prices, as shown in the following table. Advertising effort was identical in each market. Each market had approximately the same level of business activity and population. Complete the following worksheet and then estimate the demand function for Pilot's new pen using a linear regression model. Test Market i 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Total O 1.577 Regression Parameters Estimations Slope (B) Intercept (a) O 1.761 O 105.432 O 0.028 Price Charged (cents) Xi 50 50 55 55 60 60 65 65 70 70 80 80 90 90 40 1.902 O 0.032 980 What is the standard error of the estimate (se)? Quantity Sold (Thousands of Pens) O Yes O No Yi 20 21 19 19.5 20.5 19 16.5 15 14 15.5 13 14 11.5 11 17 What is the estimate of the standard deviation of the estimated slope (st)? 246.5 TiYi 1,000 1,050 1,045 1,072.5 1,230 1,140 1,072.5 975 980 1,085 1,040 1,120 1,035 990 680 I₂² 2,500 2,500…
Fifty states Here is a data set on various measures of the50 United States. The Murder rate is per 100,000, HSGraduation rate is in %, Income is per capita income indollars, Illiteracy rate is per 1000, and Life Expectancy isin years. Find a regression model for Life Expectancywith three predictor variables by trying all four of thepossible models.a) Which model appears to do the best?b) Would you leave all three predictors in this model?c) Does this model mean that by changing the levels ofthe predictors in this equation, we could affect lifeexpectancy in that state? Explain. d) Be sure to check the conditions for multiple regres-sion. What do you conclude?
Data management
The outcome variable is degree of brand liking (measured essentially as some sort of percentage). Higher numbers mean it was “liked” more. There are two potential predictors. The first is moisture content which is controlled at levels of 4, 6, 8, and 10. The second is sweetness, the recorded values are 2 and 4. (Matrix plot is attached) Comment on what you expect the regression analysis to show with regard to the relationship of the two predictors with the response. Comment on the scatterplot that shows the predictors against each other. Note that each “point” on this graph in fact represents 2 data points. What does this imply about the “experimental design”? About “collinearity”? About the ways in which we will be able to discuss the effects of moisture and sweetness?
1. Effect size and Cohen's D: a. What is an effect size? What info does it tell you, when is it calculated, etc.? b. What is Cohen’s d? What info does it tell you about the independent variable and dependent variable? (think of how you write the sentences explaining your numbers)
Please answer the question. Asap. Thank you.
Multivariate analysis a. is interested in a predictive variable which is a dependent variable, and an outcome which is an independent variable b. examines two variables to see if one is predictive of a certain outcome c. considers continuous and dichotomous variables d. includes linear regression and correlation coefficient
identify the independent variable, the dependant variable and the unit of analysis of the following statement Kentor, J. (2001). The long-term effects of globalization on income inequality, population growth, and economic development. Social Problems, 48, 4, 453-455.
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