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 resc poncowunu uen 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. College Grads High School Grads 501 471 442 492 518 549 580 478 650 526 479 425 570 426 486 485 550 499 528 390 588 594 524 535 513 432 592 485 (a) Formulate the hypotheses that can be used to determine whether the sample data support the hypothesis that students show a higher population mean math score on the SAT if their parents attained a higher level of education. (Let u, = population mean math score of students whose parents are college graduates with bachelor's degree and H, = 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. Ho: H1 - H2 = 0 Hạ: H1 - H2 #0 Ho: H1 - H2 # 0 H3: H1- H2 = 0 Ho: H1 - H2 2 0 Ha: H1 - 42 < 0 Ho: H1 - 42 < 0 Hai H1 - H2 = 0 Ho: H1 - H2 = 0 Ha: H1 - 42 > 0 (b) What is the point estimate of the difference between the means for the two populations?
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 resc poncowunu uen 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. College Grads High School Grads 501 471 442 492 518 549 580 478 650 526 479 425 570 426 486 485 550 499 528 390 588 594 524 535 513 432 592 485 (a) Formulate the hypotheses that can be used to determine whether the sample data support the hypothesis that students show a higher population mean math score on the SAT if their parents attained a higher level of education. (Let u, = population mean math score of students whose parents are college graduates with bachelor's degree and H, = 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. Ho: H1 - H2 = 0 Hạ: H1 - H2 #0 Ho: H1 - H2 # 0 H3: H1- H2 = 0 Ho: H1 - H2 2 0 Ha: H1 - 42 < 0 Ho: H1 - 42 < 0 Hai H1 - H2 = 0 Ho: H1 - H2 = 0 Ha: H1 - 42 > 0 (b) What is the point estimate of the difference between the means for the two populations?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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