A Scatterplot of Log(Y) Vs

question 120

Multiple Choice

A scatterplot of log(Y) vs. log(X) reveals a linear pattern with very little scatter. It is probably true that…

• A) the correlation between X and Y is near +1.
• B) the residuals plot for regression of Y on X shows a curved pattern.
• C) the calculator's LnReg function will model the association between X and Y.
• D) the correlation between X and Y is near 0.
• E) the scatterplot of Y vs X shows a linear association.

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Definitions:

Area

In geometry, the measurement of the extent of a two-dimensional surface or shape, expressed in square units.

P(Z < 3.00)

A statistical expression indicating the probability of a standard normal variable being less than 3.00.

P(Z > 1.9)

The probability that a standard normal random variable Z exceeds the value of 1.9, commonly used in statistical analysis to find tail probabilities.

Mean

The average of a set of numbers, calculated by dividing the sum of the values by their count.