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The following data were collected on the amount of time students spent studying and the grade their received on a test. Calculate the correlation coefficient

The following data were collected on the amount of time students spent studying and the grade their received on a test. Calculate the correlation coefficient for the variables time spent studying and the grade on this test.

Study time Grade

2 81

4.5 94

5.5 77

3 95

1 99

6 82

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