State University recently randomly sampled seven students and analyzed grade point average (GPA)and number of hours worked off-campus per week.The following data were observed: 
In testing the significance of the regression slope coefficient for the independent variable,HOURS,the calculated test statistic is approximately t = -1.47.
Definitions:
Sexual Novelty
The introduction of new or unfamiliar elements into sexual activities or relationships to enhance arousal and satisfaction.
Heritability
The proportion of variation in traits within a population that can be attributed to genetic differences among individuals.
Genetic Differences
Variations in the DNA sequences among individuals, which contribute to the diversity of organisms' characteristics.
Total Variance
In statistics, the sum of explained and unexplained variance, representing the total amount of variability in a dataset.
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