Every day for the last month, Boris has recorded the number of times it has rained and the height of all of his tomato plants.He wants to see if the two are correlated, so he creates a scatterplot of the data.He sees a pattern that he could probably draw a line through (from the bottom left going up to the top right) as rainy days and plant height both increase.Should he proceed in calculating a correlation, and if so, why?
A) No; the data appear skewed and not a normal distribution.
B) No; the data appear to have a nonlinear relationship.
C) Yes, there appears to be a nonlinear relationship.
D) Yes, there appears to be a linear relationship.

Question

Quizplus · Accepted Answer

Boris sees a pattern that he could probably draw a line through as rainy days and plant height both increase. This indicates a linear relationship between the two variables, and therefore calculating a correlation is appropriate. The other choices are incorrect because there is no indication that the data are skewed or nonlinear.

Every Day for the Last Month, Boris Has Recorded the Number