The following data, with the corresponding Excel scatterplot, show the average growth rate of Weeping Higan cherry trees planted in Washington, DC. At the time of planting, the trees were one year old and were all six feet in height. 
Which of the following is the predicted height of an eight-year-old cherry tree that was planted as a one-year-old and six-foot-tall tree?
Definitions:
Degrees of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution, often relevant in the context of statistical tests.
Two-sample T Procedure
The two-sample T procedure is a statistical method used to compare the means of two independent samples to determine if there is a significant difference between them.
Sample Size
The number of observations or data points that are included in a statistical sample.
Two Sample T Procedures
Statistical tests that compare the means of two independent samples to determine if there is a statistically significant difference between them.
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