Here Is a Scatterplot of Weight Versus Height for Students

question 81

Essay

Here is a scatterplot of weight versus height for students in an introductory statistics class.
The men are coded as "1" and appear as circles in the scatterplot; the women are coded as
"2" and appear as squares in the scatterplot.
a. Do you think there is a clear pattern? Describe the association between weight and
height.
b. Comment on any differences you see between men and women in the plot.
c. Do you think a linear model from the set of all data could accurately predict the weight
of a student with height 70 inches? Explain.

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Definitions:

Meander

A winding curve or bend in a river, which occurs as the river erodes the landscape in sinuous patterns.

Flood

The result of water overfilling a channel and spilling out onto the floodplain or other adjacent land.

Hydrographs

Charts that show the flow rate of water over time at a specific point in a river or stream.

Peak Discharge

The maximum flow rate of water, such as within a stream or river, at a specific point following a storm or snowmelt.