pts) 1. The height (in feet) and volume of usable lumber (in cubic feet) of 32 c

Question

pts) 1. The height (in feet) and volume of usable lumber (in cubic feet) of 32 cherry trees are measured by a researcher. The goal s to determne t volume of usable lumber can be e results are plotted below estmated from the height of a tre 60+ 600 300 900 Height (a) In this study, the response variable is O A. height or volume. It doesn't matter which is considered the response O B. nether height nor volume The measuring instrument used to measure height OC. height O D. volume. (b) The scatterplot suggests O A. there is a positive association between height and volume O B. there is an outler in the plot O C. both A and B

Explanation / Answer

a ) here in this example the indpendent variable is Volume of the cherry tree ( y ) . and dependent variable height of the cherry tree ( x ). because in the regression line of equation we always estimate the independent variable ( y ) . here in these example researcher study to predict the volume of the tree ( y ) of usable lumber from the heigh of tree ( x )

.the option D.) Volume is correct answer . volume of the tree is independent variable ( Y ).

b ) the scatter plot suggest that the option C. ) both A and B is correct answer .

in these scatter plot show the association between the volume of the tree and height of the tree . more points are density in similar way hence it is the indication of association between the variable but in the scatterplot also shows that the outlier . in these graph outlier is present .hence the scatter plot shows positive association between the height of tree and volume of the tree with outlier present .

hence the option C. ) both A and B is the correct answer.

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