Thieves stole four animals at random from a farm that had seven sheep, eight goats, and five burros. Calculate the covariance of the number of sheep and goats stolen.

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. After conducting a survey of his students, a professor reported that “There appears to be a strong correlation between grade point average and whether or not a student works.” Comment on this observation. 1) _____________ The following scatterplot shows a relationship between x and y that results in a correlation coefficient of Explain why r = 0 in this situation even though there appears to be a strong relationship between the x and y variables. 2) _____________ The following scatterplot shows the relationship between the time (in seconds) it took men to run the 1500m race for the gold medal and