Question: How do I solve this? Can a pretest on mathematics skills predict success in a statistics course? The 55 students in an introductory statistics class

How do I solve this?

Can a pretest on mathematics skills predict success in a statistics course? The 55 students in an introductory statistics class took a pretest at the beginning of the semester. The least-squares regression line for predicting the score y on the final exam from the pretest score x wasy-hat= 10.5 + 0.82x. The standard error of b was 0.38. Test the null hypothesis that there is no linear relationship between the pretest score and the score on the final exam against the two-sided alternative.

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