THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below. 
-For the given data,what is/are the critical value(s) for testing the hypotheses at 0.05 level of significance?
Definitions:
Central Limit Theorem
A fundamental theorem in statistics stating that the distribution of sample means approaches a normal distribution as the sample size increases, regardless of the population's distribution.
Normal Distribution
A bell-shaped frequency distribution curve, where most of the occurrences take place around the central peak and probabilities for values taper off equally on both sides.
Bushels
A unit of volume that is used in the United States for measuring agricultural produce such as grains.
Normal Model
A statistical model that describes data distribution patterns that follow a bell curve or Gaussian distribution.
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