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[DOC File]Comparing Correlation Coefficients, Slopes, and Intercepts
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For 63 idealists the correlation was .0205. The test statistic, , p = .031, leading to the conclusion that the correlation in nonidealists is significantly higher than it is in idealists. See the pdf document Bivariate Correlation Analyses and Comparisons authored by Calvin P. Garbin of the Department of Psychology at the University of Nebraska ...
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[DOC File]PSYC 201 – Correlations lab
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Please test the significance of the correlation coefficient. Be sure to include both the null and alternative hypotheses, your decision rule for deciding whether or not to reject the null hypothesis, your decision about whether to reject the null hypothesis, and your conclusion.
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[DOC File]Statistical Analysis of Medical Data: Correlation and ...
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Write the null and alternative hypothesis (correlation analysis) Write the value of correlation coefficient. Interpret the degree of association using the empirical rules of Colton [Colton T. Statistics in Medicine. Little Brown and Company, New York, NY 1974]. Which is the direction of the relationship?
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[DOC File]CHAPTER 17: SOCIAL STATISTICS
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c. Testing the significance of a correlation coefficient. d. Calculating gamma. e. Calculating Pearson's r. ANS: C. 15. Faced with data that do not support an assumption of independence between two variables in a population, a researcher . a. Immediately rejects the assumption of independence. b.
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[DOC File]Bivariate Correlation, SPSS
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Phi Coefficient. The correlation between two dichotomous variables is know as the phi coefficient. Use SPSS to compute that statistic for the relationship between having social problems and dropping out of school. To test the null hypothesis that phi is zero in the population, we …
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[DOC File]CHAPTER 10
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Population Correlation Coefficient. Formally defined, the population correlation coefficient ( is the correlation computed by using all possible pairs of data values (x, y) taken from a population. Hypothesis Testing. In hypothesis testing, one of the following is true:
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[DOC File]Problem 1:
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Calculate the correlation coefficient between stock A and B. Calculate the correlation coefficient between stock A and C. Calculate the correlation coefficient between stock B and C. Based on your previous answers, if you have to form a portfolio consisting of two stocks, which two stocks would you put in your portfolio in terms of risk reduction?
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[DOCX File]Chelsea J. HuttoValdosta State University Professional ...
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Issues that show correlation does not show causality is the third variable problem which means some other variable (one that was not measured) is responsible for the observed relationship. A dditionally, there is no way to determine directionality.
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[DOC File]A CORRELATION LESSON
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For example: “The hypothesis is that happiness is related, in some fashion, to income.” When we ask SPSS to calculate the correlation coefficient for two variables (like HAPPINESS and INCOME), SPSS gives us an r statistic (e.g., r = +.45), and a p (probability) statistic (e.g., p = .02).
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[DOCX File]PDS, Corr/Regr
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correlation coefficient. Using the usual formula for computing the . t. to test the null hypothesis that rho is zero, test the null hypothesis that the point biserial correlation coefficient has a value of zero in the population. Compare your computed value of . t
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Hypothesis for correlation coefficient