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(Solved): The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest ...



The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained by the test taker's parents. A research hypothesis was that students whose parents had attained a higher level of education would on average score higher on the SAT. The overall mean SAT math score was 514.t SAT math scores for independent samples of students follow. The first sample shows the SAT math test scores for students whose parents are college graduates with a bachelor's degree. The second sample shows the SAT math test scores for students whose parents are high school graduates but do not have a college degree.

(a) Formulate the hypotheses that can be used to determine if students show a higher population mean math score on the SAT if their parents attained a higher level of education. (Let 4g - population mean math score of students whose parents are college graduates with a bachelor's degree and «2 = population mean math score of students whose parents are high school graduates but do not have a college degree.) For purposes of this study, assume the population variances are unequal when conducting the t-test.


(b) What is the point estimate of the difference between the means for the two populations?


(c) Find the value of the test statistic. (Round your answer to three decimal places.)

Compute the p-value for the hypothesis test. (Round your answer to four decimal places.)


d) at =0.05, what is your conclusion?


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The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained by the test taker's parents. A research hypothesis was that students whose parents had attained a higher level of education would on average score higher on the SAT. The overall mean SAT math score was 514.1 SAT math scores for independent samples of students follow. The first sample shows the SAT math test scores for students whose parents are college graduates with a bachelor's degree. The second sample shows the SAT math test scores for students whose parents are high school graduates but do not have a college degree.


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Sample means

College Grads =

  
High school grade =

  



Separate mean of College and high school grads.
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