urgent 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 ofsubjects 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 standarddeviations are equal. Complete parts (a) and (b) below.a. Use a 0.05 significance level to test the claim that the mean IQ scores for subjects with medium lead levels is higher than the mean for subjects with high lead levels.What are the null and alternative hypotheses? Assume that population 1 consists of subjects with medium lead levels and population 2 consists of subjects with high lead levels.OA. Ho: H₁ H₂H₁: Hy H₂ỌC. Ho: H=H2H₁ H₁ H₂(Round to two decimal places as needed.)The P-value is. (Round to three decimal places as needed.)The test statistic isCState the conclusion for the test.OB. Ho: H₁ H₂H₁: Hy H₂O D. Ho: H₁ #4¹₂H₁ H₁ H₂IQ ScoresMedium Lead Level High Lead Level72n₂ = 118292X₂ = 87.30885819783929711191$₂ = 10.184 State the conclusion for the test.O A. Reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.O B. 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.O C. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.O D. 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.

Question

urgent 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 ofsubjects 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 standarddeviations are equal. Complete parts (a) and (b) below.a. Use a 0.05 significance level to test the claim that the mean IQ scores for subjects with medium lead levels is higher than the mean for subjects with high lead levels.What are the null and alternative hypotheses? Assume that population 1 consists of subjects with medium lead levels and population 2 consists of subjects with high lead levels.OA. Ho: H₁ H₂H₁: Hy > H₂ỌC. Ho: H=H2H₁ H₁ H₂(Round to two decimal places as needed.)The P-value is. (Round to three decimal places as needed.)The test statistic isCState the conclusion for the test.OB. Ho: H₁ H₂H₁: Hy > H₂O D. Ho: H₁ #4¹₂H₁ H₁ H₂IQ ScoresMedium Lead Level High Lead Level72n₂ = 118292X₂ = 87.30885819783929711191$₂ = 10.184 State the conclusion for the test.O A. Reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.O B. 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.O C. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that subjects with medium lead levels have higher IQ scores.O D. 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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