Listed in the data table are IQ scores for a randomi sample of subjects with medium lead levels in their blood. Also listed are statistics from a study done of IQ scores for a random sample of subjects K with high lead levels. 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) and (b) below. Click the icon to view the data table of IQ scores. what are the nun and anerative nyponeses Assume that population 1 consists of subjects with meaium lead levers and population consists or subjects with nign lead levers. OB. Ho: 5₂ OA M₂: 14 = P₂ H₁: 4₂*4₂ OC. M₂: #4 #4₂ H₁: PyP/₂ The test statistic is 0.11. (Round to two decimal places as needed.) The P-value is 0.457. (Round to three decimal places as needed.) State the conclusion for the test. D. H₂:14 "1/₂ H₂: Hy P₂ OA Reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. OB. Fall to reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. OC. Reject the null hypothesis. There is not sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. D. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. b. Construct a confidence interval suitable for testing the claim that the mean IQ scores for subjects with medium lead levels is higher than the mean for subjects with high lead levels. (Round to two decimal places as needed.)
Listed in the data table are IQ scores for a randomi sample of subjects with medium lead levels in their blood. Also listed are statistics from a study done of IQ scores for a random sample of subjects K with high lead levels. 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) and (b) below. Click the icon to view the data table of IQ scores. what are the nun and anerative nyponeses Assume that population 1 consists of subjects with meaium lead levers and population consists or subjects with nign lead levers. OB. Ho: 5₂ OA M₂: 14 = P₂ H₁: 4₂*4₂ OC. M₂: #4 #4₂ H₁: PyP/₂ The test statistic is 0.11. (Round to two decimal places as needed.) The P-value is 0.457. (Round to three decimal places as needed.) State the conclusion for the test. D. H₂:14 "1/₂ H₂: Hy P₂ OA Reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. OB. Fall to reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. OC. Reject the null hypothesis. There is not sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. D. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores. b. Construct a confidence interval suitable for testing the claim that the mean IQ scores for subjects with medium lead levels is higher than the mean for subjects with high lead levels. (Round to two decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Listed in the data table are IQ scores for a random sample of subjects with medium lead levels in their blood. Also listed are statistics from a study done of IQ scores for a random sample of subjects
with high lead levels. 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) and (b) below.
Click the icon to view the data table of IQ scores.
what are the nun and anternative nypotneses Assume that population 1 consists of subjects with medium lead levels and population consists or subjects with nign lead levels.
OB. Ho: 522₂
H₁: Hy 1₂
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OA. Ho: Hy = H₂
H₁: Hy #4₂
OC. Ho: Hy #1₂
H₁: Hy > 1/₂
The test statistic is 0.11. (Round to two decimal places as needed.)
The P-value is 0.457 (Round to three decimal places as needed.)
State the conclusion for the test.
Help me solve this Get more help.
OA Reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.
OB. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.
OC. Reject the null hypothesis. There is not sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.
D. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.
b. Construct a confidence interval suitable for testing the claim that the mean IQ scores for subjects with medium lead levels is higher than the mean for subjects with high lead levels.
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