# chapter7 - 8.docx - Question 1 1 out of 1 points A...

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Question 1 1 out of 1 points A scatterplot shows: Answers:Scores on one variable plotted against scores on a second variable.The frequency with which values appear in the data.The average value of groups of data.The proportion of data falling into different categories. Question 2 1 out of 1 points Which of the following statements about Pearson's correlation coefficient is nottrue? Question 3 1 out of 1 points When interpreting a correlation coefficient, it is important to look at: Question 41 out of 1 pointsThe correlation between two variables A and B is .12 with a significance of p < .01. What can we conclude? Question 5 1 out of 1 points The relationship between two variables partialling out the effect that a third variable
has on one of those variables can be expressed using a: Answers:Bivariate correlationSemi-partial correlationPoint-biserial correlationPartial correlation Question 61 out of 1 pointsImagine a researcher wanted to investigate whether there was a significant correlation between IQ and annual income, but she had reason to believe that work ethic would influence both of these variables. What should she do? Question 7 1 out of 1 points A correlation of .5 would produce a scatterplot in which the slope:

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• Fall '19
• Statistics, Regression Analysis, researcher, Correlation and dependence, Pearson product-moment correlation coefficient, Spearman's rank correlation coefficient