what is Marshall olkin transformation? When it is first used and why we need it? Simply explain background of this transformation?
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- 7. The following multiple-regression model was developed to predict job performance as measured by a company job performance evaluation index based on a preemployment test score and college grade point average (GPA): y=35+20x1+50x2, where y=job performance evaluation index, x1=preemployment test score, and x2=college GPA. Part 2 a) For an applicant who had a 3.0 GPA and scored 80 on the preemployment test, the forecast for the job performance index= __________ (enter your response as a whole number).solve a and b The following table shows the rank attained by male and female officers in the NewYork City Police Department (NYPD).a) Do these data indicate that men and women are equitably represented at all levelsof the department? Test using a p-value approach. Male FemaleOfficer 21,900 4281Detective 4058 806Sergeant 3898 415Lieutenant 1333 89Captain 359 12Higher ranks 218 10 b) There are far more men than women in the police force in general. However, the NYCPolice Commission has set itself certain goals with respect to the positions of the femalesamong its ranks. Across the females they aim to target the same proportion by rank asthey do among the males. The target proportions by category are:(1) Officer – 70% (2) Detectives – 15% (3) Sargent – 10%(4) Lieutenant – 3% (5) Captain – 1% (6) Higher – 1%Conduct a test to determine whether the proportions,…What is the prima ry difference between a time-series model and an associative model?
- What is the primary difference between a time-series model and an associative model?rescarcher wanted to study if family factors had an impact of academic achievement. The family factors investigated were family income, parents' level of education, parents' support and encouragement to their children, and parents' interests in their children education. Answer the Questions 1 to 4 only from the above information: Q.1 Write the objective of research. Q.2 Write any two possible independent variables. Q.3 Write the possible dependent variable. Q.4 Write the relationship between the variables.Explain three (3) of the general assumptions of a Regression (Least Squares) model.
- 39-40 .The following table contains the parameter estimates of the linear probability regression model and the logistic regression model. When considering a binary response variable y and two predictor variables, x1 and x2, What is the estimated linear probability implied by the logistic probability regression model for x1 = 3 with x2 = 9? Variable Intercept X₁ x2 O 0.35 O 1.87 -0.35 -0.87 Linear Probability -0.76 0.43 -0.02 Logistic -1.12 0.85 -0.18How do the following models work? (1) Cluster Analysis, (2) Choice Models, (3) Conjoint Models, and (4) Market Response Models.The dataset in the below table represents the 4-month profits (in million $) of real estate companythat operates over the period of time between 2014-2018. I II III 2014 15.6 20.4 29.4 2015 13.8 23.2 35 2016 17.8 19.4 30.6 2017 21.4 24.8 33.6 2018 18.4 27.2 34.2 Answer the following questions:1. Find the seasonal indices for the company’s profits and comment on the results.2. Find the deseasonalized values of company’s profits and compare it to the actual valuesgraphically. Comment on the results.3. By using the deseasonalized values obtained in (2), determine the simple linear trend equation.And comment on the results.4. Predict the expected value of company’s profit in summer 2019 which includes the effects of allthe components of time series. And comment on the results.
- Consider the following data for a dependent variable y and two independent variables, x and x X2 у 13 95 10 X1 30 46 24 51 40 52 74 36 59 76 17 16 5 19 7 13 13 17 109 112 Round your all answers to two decimal places. Enter negative values as negative numbers, if necessary. Predict y if x 35. 9- 178 94 175 170 118. 143 211 a. Develop an estimated regression equation relating y to xx- ŷ= XI Predict y if x2 - 25. 9- b. Develop an estimated regression equation relating y to x₂- 9- c. Develop an estimated regression equation relating y toxy and x 9- x+[ x28. Suppose the population is normally distributed. Specify the appropriate hypothesis test and determine the appropriate critical z or t point(s) for each of the following tests concerning the population mean : (a) upper-tailed test: a - 0.025, n - 25,_ - 3.0. (b) lower-tailed test: a - 0.05, n - 30, s - 9.0. (c) two-tailed test: a - 0.02, n - 5I, s - 6.5. (d) two-tailed test: a - 0.10, n - 36, - 3.8.Barry McGuire wants to purchase a dry-cleaning firm. Barry has heardof the SWOT analysis and wants to use this methodology to determinewhether he should purchase the business. He found the following information:The dry cleaner is located in a busy shopping center and currentlydoes all the cleaning on the premises. It has three commercial accountsthat make up 20 percent of its business. The population in the local area isgrowing by approximately 6 percent per year. Located across the street inanother shopping center is a price-cutting dry cleaner that advertises heavilyin the local area. With the exception of this shopping center and theproperty across the street, all property in this area is zoned residential. Mostof the residents in this area are professional people who wear suits to work.The shop has an assumable lease, and the lease has a fixed rental fee for thenext 5 years. Barry has had 5 years of experience in the dry-cleaning businessand would run the shop full time. Based on…