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[DOC File]Example 18 - Yola
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47. The equation of two regression lines between two variables are expressed as 3X – 4Y + 30 = 0 and 5X - 2Y + 8 = 0. a. Identify which of the two can be called regression equation of Y on X and X on Y. b. Find the mean of X and Y and correlation coefficient. 48. The following table gives the ages and blood pressure of 10 women.
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[DOC File]Exercise 1: Lesson 30 exrcise File 2
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A linear regression analysis was conducted to evaluate the prediction of the number of publications from professors’ work ethic. The regression equation was . Ŷ = .45Xwork ethic – 2.96. The 95% confidence interval for the slope was .25 to .65. These results suggest that professors who have higher work ethic scores tend to have more ...
bivariate correlation and regression

[DOC File]CHAPTER 17: SOCIAL STATISTICS
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a. Curvilinear regression. b. Partial regression. c. Multiple regressions. d. Path analysis. e. Analysis of variance. ANS: A. 30. Professor Stanton thought that verbal ability was a function of age. Stanton collected data on people aged 5 to 20. The analysis yielded the following equation: V = 20 + 3A where V = verbal ability and A = age.
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[DOC File]Soc. 651 Prof. Schutt
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BIVARIATE REGRESSION ANALYSIS. The Linear Model. Regression analysis overcomes both of these problems of crosstabular analysis, although like any statistic the regression approach has its own limitations. Regression analysis builds on the equation that describes a straight line.
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[DOCX File]Microsoft Word - Chapter 3 TEST
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Chapter 3: Practice Quiz – Bivariate Data Part 1: Multiple Choice. (2 points each) Hand write the letter corresponding to the best answer in space provided on page 6. _____1. In a statistics course, a linear regression equation was computed to predict the final exam score from the score on the first test.
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[DOCX File]CHAPTER 11: BIVARIATE CORRELATION AND ORDINARY …
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chapter 11: bivariate correlation and ordinary least-squares regression 1. The following data is about the relationship (if any) between the number of sworn police officers in a county and the property crime rate (per 100,000) in the county.
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[DOC File]EDPR 7/8541 – STATISTICAL METHODS APPLIED TO …
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The results of the bivariate linear regression analysis example are shown below. The B’s, as labeled on the output in the Unstandardized Coefficients box, are the additive constant, a (8.853) and the slope weight, b (.745) of the regression equation used to predict the dependent variable from the independent variable. The regression or ...
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[DOCX File]Bivariate Linear Correlation
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Bivariate Linear Correlation. ... of the value of the other variable. If this relationship is perfect, then it can be described by the slope-intercept equation for a straight line, ... We wish to measure the relationship between these two variables and develop a regression equation that will enable us to predict how many beers a person will ...
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[DOC File]Worksheet on Correlation and Regression
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Use Stat > Regression > Regression to find the regression equation AND predict BAC when “beer” is 5. To predict the values, use Options and then type in the x value of your variable there. Use Stat > Regression > Regression to find the regression equation AND make a residual plot of the residuals versus the explanatory variable.
bivariate regression research question

[DOCX File]CONCORDIA UNIVERSITY
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16. A researcher conducted a bivariate regression in which the X and Y variables had a correlation of r = .6. There were 22 participants in her study. She obtained an F score of 11.25, and SS total of 1000. Use this information to fill in the tables below.
bivariate correlation and regression

Bivariate regression equation