Georges asked five of his friends how long they studied for the last math test and what grade they received. He found a linear regression equation for the data to be y= 9.6x + 65.8. What does the 65.8 mean in the context of this equation?
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A)
If they studied 0 hours they would earn a 65.8.
B)
The lowest grade of his five friends was a 65.8.
The lowest grade they could receive on the test was a 65.8.
D)
For every hour they studied their grade would go up 65.8 points