3. Suppose that a researcher estimates a consumptions function and obtains the following resultsC = 15 +0.81Yd(3.1) (18.7)n = 19 r² = 0.99where C-Consumption, Yd=disposable income, and numbers in the parenthesis are the't-statistics'a. Test the significance of the slope parameter Using t-testb. Determine the estimated standard deviations of the parameter estimatesc. Construct 95% confidence interval for intercept term and test its significance usingthe constructed interval

The question is about regression Given : C = 15 + 0.81 Yd Where, C : Consumption Yd : disposal…

Answered: 3. Suppose that a researcher estimates…

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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13.1.4
Consider a linear regression model for the decrease in blood pressure (mmHg) over a four-week period with muy=2.8+0.8x and standard deviation chi=3.2. The explanatory variable x is the number of servings fruits and vegetables in a calorie-controlled diet. What is the subpopulation mean when x = 7 servings per day?
pan's high population density has resulted in a multitude of resource-usage problems. One especially serious difficulty concerns waste removal. An article reported the development of a new compression machine for processing sewage sludge. An important part of the investigation involved relating the moisture content of compressed pellets (y, in %) to the machine's filtration rate (x, in kg-DS/m/hr). The following data was read from a graph in the article. x 125.8 98.1 201.4 147.3 145.9 124.7 112.2 120.2 161.2 178.9 159.5 145.8 75.1 151.5 144.2 125.0 198.8 133.9 y 77.9 76.8 81.5 79.8 78.2 78.3 77.5 77.0 80.1 80.2 79.9 79.0 76.9 78.2 79.5 78.1 81.5 71.0 (a) Determine the slope and intercept of the estimated regression line. (Round your answers to 5 decimal places, if needed.)slope: intercept: (b) Does there appear to be a useful linear relationship? Carry out a test using the ANOVA approach and a significance level of 0.05. State the appropriate null and alternative hypotheses.…
Please do & explain with steps: Subparts e f & g please & thank u
Interpret the OLS coefficients (intercept and slope coefficients). When doing it, make sure to discuss the sign of the coefficient, its magnitude and ceteris-paribus interpretations, as well as statistical significance of the coefficients. First, discuss the approximate marginal effects. Next, calculate and discuss the exact marginal effects.
Write an absolute value function f(t) to describe an individual variance from normal body temperature where t is the individual current temperature
The following table gives the regression results of consumption behaviour between female and male. Consumption (C), in RM Model 1 Model 2 Constant 0.7515 0.6587 (0.024) (0.037) Y 0.8603 0.5442 (0.0301) (0.2881) Gen 0.2001 (0.0004) Y*Gen 0.3105 (0.0076) Adjusted R 0.78 0.78 No. of Observations 47 47 Note: Y=income (RM) Gen= Gender ( It is equal to 1 if person is female; 0 is for male) Figures in the parentheses are p- values a) Identify which are the qualitative, quantitative and interaction variable. Refer to Model 1: b) Write the regression equations for female and male. Draw the regression lines for female and male on the same diagram. What can you c) say? d) Interpret all the estimated slope coefficients. e) Conduct an appropriate test to determine whether variable gender is statistically significant at 5%. Should this variable be dropped from this regression model.
lQ. 10. Find out mean deviation and its co-efficients. (a) Mean, and (b) median from the below given data of 10 students: Marks securred out of 100: 30, 40, 60, 50, 55, 45, 70, 65, 80, 85.
lakhs) of a certain commodity for the year On the basis of quarterly sales (in 2008-12, the following calculations were made : Trend: Y = 20 + 0.5 t with origin at 1st quarter of 2008. where 1 = time unit = one quarter and y = quarterly sales ( Seasonal variations: Quarter I II III IV Seasonal Index 80 90 120 110 Estimate the quarterly sale for the year 1979 using multiplicative model.
60% 12:18 PM + MathHW414b.. / Activinspire - Studio Untitied Untitied CLASSFLOW CONNECT DEVICES Page 430 of 1,040 B Which of the following functions has a greater slope and y-intercept? Function 1: Y = 11x - (-13) Function 2: 90 80 70 60 50 40 30 20 10 6. You're using this app in Workspace.

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