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A national standardized test consists of three parts: critical reading, mathematics, and writing. Suppose each part of the test is scored on a 200- to 800-point scale with a median of approximately 510. Scores for each part of the test can be assumed to be symmetric. Use the following data to test the hypothesis that the population median score for the students taking the writing portion of the test is 510. 635 701 439 447 464 502 405 453 471 476 447 590 337 387 514

A national standardized test consists of three parts: critical reading, mathematics, and writing. Suppose each part of the test is scored on a 200- to 800-point scale with a median of approximately 510. Scores for each part of the test can be assumed to be symmetric. Use the following data to test the hypothesis that the population median score for the students taking the writing portion of the test is 510. 635 701 439 447 464 502 405 453 471 476 447 590 337 387 514

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A national standardized test consists of three parts: critical reading, mathematics, and writing. Suppose each part of the test is scored on a 200- to 800-point scale with a median of approximately 510. Scores for each part of the test can be assumed to be symmetric. Use the following data to test the hypothesis that the population median score for the students taking the writing portion of the test is 510. 635 701 439 447 464 502 405 453 471 476 447 590 337 387 514
Transcribed Image Text:A national standardized test consists of three parts: critical reading, mathematics, and writing. Suppose each part of the test is scored on a 200- to 800-point scale with a median of approximately 510. Scores for each part of the test can be assumed to be symmetric. Use the following data to test the hypothesis that the population median score for the students taking the writing portion of the test is 510. 635 701 439 447 464 502 405 453 471 476 447 590 337 387 514
Find the value of the test statistic. T+ = Find the p-value. (Round your answer to four decimal places.) p-value
Transcribed Image Text:Find the value of the test statistic. T+ = Find the p-value. (Round your answer to four decimal places.) p-value
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test statistic and p value are still incorrect, please help me and show me steps, answer rounded

Find the value of the test statistic. T+ = 4 X Find the p-value. (Round your answer to four decimal places.) p-value = 0.1212 X Using a = 0.05, what is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the population median writing test score is not 510. Do not reject Ho. There is not sufficient evidence to conclude that the population median writing test score is not 510. Reject Ho. There is sufficient evidence to conclude that the population median writing test score is not 510. Reject Ho. There is not sufficient evidence to conclude that the population median writing test score is not 510. оо
Transcribed Image Text:Find the value of the test statistic. T+ = 4 X Find the p-value. (Round your answer to four decimal places.) p-value = 0.1212 X Using a = 0.05, what is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the population median writing test score is not 510. Do not reject Ho. There is not sufficient evidence to conclude that the population median writing test score is not 510. Reject Ho. There is sufficient evidence to conclude that the population median writing test score is not 510. Reject Ho. There is not sufficient evidence to conclude that the population median writing test score is not 510. оо
A national standardized test consists of three parts: critical reading, mathematics, and writing. Suppose each part of the test is scored on a 200- to 800-point scale with a median of approximately 510. Scores for each part of the test can be assumed to be symmetric. Use the following data to test the hypothesis that the population median score for the students taking the writing portion of the test is 510. 635 701 502 447 = 405 453 471 476 State the null and alternative hypotheses. Ho: Median # 510 H₂: : Median = 510 Ho: Median < 510 H₂: : Median = 510 590 337 387 514 Ho H₂: : Median # 510 : Median = 510 Ho: Median ≥ 510 Ha: Median < 510 4 X Ho: Median ≤ 510 Ha: 439 447 : Median > 510 464 Find the value of the test statistic. T+ Find the p-value. (Round your answer to four decimal places.) p-value = 0.1212 X
Transcribed Image Text:A national standardized test consists of three parts: critical reading, mathematics, and writing. Suppose each part of the test is scored on a 200- to 800-point scale with a median of approximately 510. Scores for each part of the test can be assumed to be symmetric. Use the following data to test the hypothesis that the population median score for the students taking the writing portion of the test is 510. 635 701 502 447 = 405 453 471 476 State the null and alternative hypotheses. Ho: Median # 510 H₂: : Median = 510 Ho: Median < 510 H₂: : Median = 510 590 337 387 514 Ho H₂: : Median # 510 : Median = 510 Ho: Median ≥ 510 Ha: Median < 510 4 X Ho: Median ≤ 510 Ha: 439 447 : Median > 510 464 Find the value of the test statistic. T+ Find the p-value. (Round your answer to four decimal places.) p-value = 0.1212 X
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