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. 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 485 487 550 533 650 526 538 410 550 531 556 578 481 432 608 485 High School Grads 442 492 580 478 479 425 486 485 528 390 524 535 (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 μ1 = population mean verbal score of students whose parents are college graduates with a bachelor's degree and μ2 = population mean verbal score of students whose parents are high school graduates but do not have a college degree.) a. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 b. H0: μ1 − μ2 ≠ 0 Ha: μ1 − μ2 = 0 c. H0: μ1 − μ2 ≥ 0 Ha: μ1 − μ2 < 0 d. H0: μ1 − μ2 ≤ 0 Ha: μ1 − μ2 > 0 e. H0: μ1 − μ2 < 0 Ha: μ1 − μ2 = 0 (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.) p-value = (d) At α = 0.05, what is your conclusion? 1. Reject H0. There is sufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates. 2. Do not Reject H0. There is sufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates. 3. Do not reject H0. There is insufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates. 4. Reject H0. There is insufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates

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. 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 485 487 550 533 650 526 538 410 550 531 556 578 481 432 608 485 High School Grads 442 492 580 478 479 425 486 485 528 390 524 535 (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 μ1 = population mean verbal score of students whose parents are college graduates with a bachelor's degree and μ2 = population mean verbal score of students whose parents are high school graduates but do not have a college degree.) a. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 b. H0: μ1 − μ2 ≠ 0 Ha: μ1 − μ2 = 0 c. H0: μ1 − μ2 ≥ 0 Ha: μ1 − μ2 < 0 d. H0: μ1 − μ2 ≤ 0 Ha: μ1 − μ2 > 0 e. H0: μ1 − μ2 < 0 Ha: μ1 − μ2 = 0 (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.) p-value = (d) At α = 0.05, what is your conclusion? 1. Reject H0. There is sufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates. 2. Do not Reject H0. There is sufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates. 3. Do not reject H0. There is insufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates. 4. Reject H0. There is insufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates

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Description: 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 educati

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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Question

College Grads

485	487
550	533
650	526
538	410
550	531
556	578
481	432
608	485

High School Grads

442	492
580	478
479	425
486	485
528	390
524	535

(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 μ₁ = population mean verbal score of students whose parents are college graduates with a bachelor's degree and μ₂ = population mean verbal score of students whose parents are high school graduates but do not have a college degree.)

a. H₀: μ₁ − μ₂ = 0

H_a: μ₁ − μ₂ ≠ 0

b. H₀: μ₁ − μ₂ ≠ 0

H_a: μ₁ − μ₂ = 0

c. H₀: μ₁ − μ₂ ≥ 0

H_a: μ₁ − μ₂ < 0

d. H₀: μ₁ − μ₂ ≤ 0

H_a: μ₁ − μ₂ > 0

e. H₀: μ₁ − μ₂ < 0

H_a: μ₁ − μ₂ = 0

(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.)

p-value =

(d) At α = 0.05, what is your conclusion?

1. Reject H₀. There is sufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates.

2. Do not Reject H₀. There is sufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates.

3. Do not reject H₀. There is insufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates.

4. Reject H₀. There is insufficient evidence to conclude that higher population mean verbal scores are associated with students whose parents are college graduates.

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