Consider the following data for a dependent variable y and two independent variables, ₁ and €2.x12946The p-value is less than 0.01At a = 0.05, the overall model is significantb. Is ₁ significant? Use a = 0.05 (to 2 decimals). Use t table.to₁The p-value is less than 0.01At a = 0.05, B₁ is✓ significant.c. Is 6₂ significant? Use a = 0.05 (to 2 decimals). Use t table.tp₂The p-value is Select your answer -At a = 0.05, B₂ - Select your answer - significant.The estimated regression equation for these data isŷ = -19.32 +1.98x1 +4.78*2Here SST = 15,147.6, SSR = 13,866.4, sh = 0.2621, and Sb₂a. Test for a significant relationship among 1, 2, and y. Use a =0.05.F = 55.41 (to 2 decimals)=2550=415174376076= 1.0112.X2131118165198121317Y9510911317994175170118143212

Solution: Given information: k= 2 independent variables n= 10 observation SST= 15147.6 SSR=…

Answered: Consider the following data for a…

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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using the excel data ... College Student Weekly Earnings in Dollars (n = 5) Hours Worked (X) Weekly Pay (Y) (xi - x̅)2 (yi - y̅)2 (xi - x̅)(yi - y̅) 11 95 16 173 22 210 18 157 30 270 x̅=?????? y̅=??????? SSxx SSyy SSxy
Find the Pearson's coefficient of skewness of the following set of data. Data 11 13 15 18 22 23 24 26 26 26 32 34 set 36 37 43 44 48 48 49 53 55 55 61 73
5. Economic growth Entrepreneurship employment No. of women entrepreneurs per 100 women 500 45 49 32 234 32 63 12 432 40 41 17 556 56 21 20 765 68 17 65 986 87 79 885 76 63 453 34 25 43 786 56 19 67 776 67 17 60 723 61 20 55 987 88 3 82 Study the table given above and answer the following questions. a. Identify the dependent and independent variables from the above data. b. Explain the relationship between these variables and conduct a literature review on them. c. Calculate correlation coefficient between the variables. Find the coefficient of non determination and the standard error estimate d. Fit regression line and interpret intercept and coefficients. (* e. Draw the scatter plot for Economic growth and entrepreneurship.
The scatter plot shows a set of data for the variables x and y. 200 180 160 140 120 100 80 60 40 20 10 10 20 30 40 50 What type of association is shown in the scatter plot? a weak, negative association C a strong, negative association B. a weak, positive association D. a strong, positive association
For the following pairs of data points (10, 100), (8, 120), (5, 200), (4, 200), (10, 90), (7, 110), and (6, 150), the relationship between X and Y is of Zero O a. O b. Negative OC. Positive O d. None
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A study of emergency service facilities investigated the relationship between the number of facilities and the average distance traveled to provide the emergency service. The following table gives the data collected. Average Distance Number of Facilities (miles) 1.65 11 1.12 16 0.83 21 0.62 27 0.50 30 0.47 (a) Develop a scatter diagram for these data, treating average distance traveled as the dependent variable. 1.8 - 35- 1.8 1.8 1.6 1.6 1.6- 30 1.4- 1.4 1.4 1.2- 25 1.2 1.2 1. 1. 1. 20 0.8 0.8 0.8 0.6- 15 0.6- 0.6 0.4- 0.4 0.4 10 0.2 0.2 0.2 0. 5 0.- 0. 10 15 20 25 30 35 0. 0.2 0.4 0.6 0.8 1. 1.2 1.4 1.6 1.8 10 15 20 25 30 35 10 15 20 25 30 35 Number Distance Number Number (b) Does a simple linear regression model appear to be appropriate? Explain. O No, the scatter diagram suggests that there is no relationship. No, the scatter diagram suggests that there is a curvilinear relationship. O Yes, the scatter diagram suggests that there is a linear relationship. (c) Develop an estimated…
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3. Caloulate r and ŕ for the data set. -5 -4 -3 -2 -10 1. 4. 9. Calculate r. (Round to four decimal places as needed.) Calculate r =(Round to four decimal places as needed.)
The head of the marketing division of a leading chocolate manufacturer must decide among our different wrapper styles for the chocolate. To provide a database for the decision, he has the chocolate placed in the different wrappers and distributes them to five supermarkets. At the end of 2 weeks, he finds that the following amounts of chocolate were sold: Wrapper A Wrapper B Wrapper C Wrapper D 90 98 130 82 State the dependent and independent variable Is this directional or non directional test

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Consider the following data for a dependent variable y and two independent variables, 1 and 2. x1 29 46 25 50 41 51 74 37 60 76 X2 13 11 18 16 5 19 8 12 13 17 Y 95 109 113 179 94 175 170 118 143 212