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The IQ scores for a random sample of subjects with low lead levels In their blood and another random sample of subjects with high lead levels in their blood were collected. The statistics are summarized in the accompanying table. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are équal. Complete parts (a) to (c) below. Low Lead Level H1 High Lead Level 2 95 91.26016 15.79292 27 86.11758 8.87896 scores. b. Construct a confidence interval appropriate for the hypothesis test in part (a). (Bou needed 1

The IQ scores for a random sample of subjects with low lead levels In their blood and another random sample of subjects with high lead levels in their blood were collected. The statistics are summarized in the accompanying table. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are équal. Complete parts (a) to (c) below. Low Lead Level H1 High Lead Level 2 95 91.26016 15.79292 27 86.11758 8.87896 scores. b. Construct a confidence interval appropriate for the hypothesis test in part (a). (Bou needed 1

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
Section10.4: Distributions Of Data
Problem 19PFA
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Question 5 ( B )
The IQ scores for a random sample of subjects with low lead levels in their blood and another random sample of subjects with high lead levels in their blood were collected. The statistics are summarized in the accompanying table. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) to (c) 91.26016 15.79292 Low Lead Level H1 High Lead Level 2 95 27 86.11758 8.87896 below. scores. b. Construct a confidence interval appropriate for the hypothesis test in part (a). Round to one dacimal place as needed.)
Transcribed Image Text:The IQ scores for a random sample of subjects with low lead levels in their blood and another random sample of subjects with high lead levels in their blood were collected. The statistics are summarized in the accompanying table. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Complete parts (a) to (c) 91.26016 15.79292 Low Lead Level H1 High Lead Level 2 95 27 86.11758 8.87896 below. scores. b. Construct a confidence interval appropriate for the hypothesis test in part (a). Round to one dacimal place as needed.)
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