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In the past, when elementary school children in a large city were screened, 25% were found to have auditory defects. In a recent study of 200 children in the city who had been screened within the past month, 63 were found to have such defects. Do these data suggest a significant increase in the proportion of children having auditory defects? Test at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? 2.123 Using your answer from the previous question, find the p-value. What is the critical value for this test? Part 2 o

In the past, when elementary school children in a large city were screened, 25% were found to have auditory defects. In a recent study of 200 children in the city who had been screened within the past month, 63 were found to have such defects. Do these data suggest a significant increase in the proportion of children having auditory defects? Test at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? 2.123 Using your answer from the previous question, find the p-value. What is the critical value for this test? Part 2 o

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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In the past, when elementary school children in a large city were screened, 25% were found to have auditory defects. In a recent study of 200 children in the city who had been screened within the past month, 63 were found to have such defects. Do these data suggest a significant increase in the proportion of children having auditory defects? Test at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? 2.123 Using your answer from the previous question, find the p-value. What is the critical value for this test? Part 2 of
Transcribed Image Text:In the past, when elementary school children in a large city were screened, 25% were found to have auditory defects. In a recent study of 200 children in the city who had been screened within the past month, 63 were found to have such defects. Do these data suggest a significant increase in the proportion of children having auditory defects? Test at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? 2.123 Using your answer from the previous question, find the p-value. What is the critical value for this test? Part 2 of
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