MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question 5
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
Anual. Comnlete narts (a) to (e) helow
Low Lead Level
91.26016 15.79292
27 86.11758 8.87896
95
High Lead Level 2
The test statistic is 2.18. (Round to two decimal places as needed.)
The P-value is (Round to three decimal places as needed.)
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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 Anual. Comnlete narts (a) to (e) helow Low Lead Level 91.26016 15.79292 27 86.11758 8.87896 95 High Lead Level 2 The test statistic is 2.18. (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.)
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