For the following data,what is the predicted test score for a person with a stress level of 10?
A)0.76
B)20.93
C)-7.16
D)12.43

Question

For the following data,what is the predicted test score for a person with a stress level of 10? 
A)0.76 
B)20.93 
C)-7.16 
D)12.43

Quizplus · Accepted Answer

Based on the given data, there is a positive correlation between Stress Level and Test Score. As the stress level increases, the test score also increases. Using the equation of the line of best fit (y=0.6435x+6.9548), we can substitute x=10 (stress level) to get the predicted test score of y=12.43. Therefore, the answer is D.

For the Following Data,what Is the Predicted Test Score for a Person