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Suppose you were interested in conducting a study examining how ratings of similarity between oneself and another person were related to how attracted one is to the other person. You conduct this study by giving participants a description of a person named “Sarah.” Participants are asked to read the description and then rate on a scale from 1 to 10 how similar Sarah is to themselves (X). You also ask each participant to rate on a scale from 1 to 20 how likeable they think Sarah is (Y). The data from five participants is presented below. Individual X Y 1 6 19 2 10 16 3 8 11 4 5 10 5 2 14 What is the correlation coefficient between similarity (X) and likability (Y)? **Report your answer to 4 decimal places.

At the conclusion of “The Story of an Hour,” the doctors state that Louise Mallard “died of heart disease–of joy that kills.” This concluding statement is an example of dramatic irony. Why? Fully explain your answer. [NOTE: I am asking you about the doctors’ statement specifically, and why it represents dramatic irony.]

In a scatterplot, the X variable should be plotted on the ________, and the Y variable should be plotted on the ________.

There seems to be a negative correlation between the number of errors made on an exam and the level of satisfaction with performance.  What does this mean?

Imitation is defined as a

If two variables are perfectly correlated, then ____.

The general form of the linear model or regression line is _____.

Human infants begin to show evidence of bonding with their caregiver around the same time that they start

Imagine you are interested in researching the relationship between job experience and income among early-career working professionals. You take a random sample of 32 professionals from the nearest city, and you ask them to report their annual income and submit a resumé outlining their professional experience. You later calculate their years of experience from their resumés. How would you state the null hypothesis for this test?

When two variables, X and Y, are correlated, it is possible that: