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Test: Common Core: High School - Statistics and Probability
1. | A professor conducts a study on the relationship between sleep and academic performance by asking his 420 students how many hours of sleep they missed while studying for the class final. The regression output is as follows: Which of the following statements is TRUE? |
The average score on the final is 696.52 points.
For every additional hour of sleep missed, the number of points scored on the final decreases by 2.28 points.
The average score on the final is 698.8 points.
The regression equation itself proves that the results are statistically significant.
Sleep has no effect on academic performance.
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