Question

2
select the correct answer
the graphs show the weekly change in the water level in a rainwater storage tank. which model would result in a correlation coefficient that is closest to 1?
a.
graph a: scatter plot with line, x-axis number of weeks, y-axis water level (inches)
b.
graph b: scatter plot with line, x-axis number of weeks, y-axis water level (inches)
c.
graph c: scatter plot with line, x-axis number of weeks, y-axis water level (inches)
d.
graph d: scatter plot with line, x-axis number of weeks, y-axis water level (inches)
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Explanation:

A correlation coefficient close to 1 indicates a strong positive linear relationship. Among the options, the points in Graph A are most tightly clustered around the trend line, reflecting the strongest linear association.

Answer:

A. [Graph A showing points closest to a straight line]