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Please show me the answer of question I and II

Please show me the answer of question I and II

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
Section10.5: Comparing Sets Of Data
Problem 26PFA
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Please show me the answer of question I and II

Some nurses in county public health conducted a survey of women who had received inadequate prenatal care. They used information from birth certificates to select mothers for the survey. The mothers selected were divided into two groups: Group A: mothers who said they had ≤ 5 prenatal visit. • Group B: mothers who said they had ≥ 6 prenatal visits. Let X be the birth weight of babies from mothers in Group A and Y the birth weight of babies from mothers in Group B. Assume that X ~ N(μx, oz) and Y ~ N(µy, o), where σx = σy are unknown but equal. Suppose that the result of the survey is that Birth weight of babies from mothers in Group A: 49 108 110 82 93 114 134 114 96 52 101 114 120 116 Birth weight of babies from mothers in Group B: 133 108 93 108 93 119 119 98 106 131 87 153 116 129 97 110 (i) Give a 95% confidence interval for ux - ply.
Transcribed Image Text:Some nurses in county public health conducted a survey of women who had received inadequate prenatal care. They used information from birth certificates to select mothers for the survey. The mothers selected were divided into two groups: Group A: mothers who said they had ≤ 5 prenatal visit. • Group B: mothers who said they had ≥ 6 prenatal visits. Let X be the birth weight of babies from mothers in Group A and Y the birth weight of babies from mothers in Group B. Assume that X ~ N(μx, oz) and Y ~ N(µy, o), where σx = σy are unknown but equal. Suppose that the result of the survey is that Birth weight of babies from mothers in Group A: 49 108 110 82 93 114 134 114 96 52 101 114 120 116 Birth weight of babies from mothers in Group B: 133 108 93 108 93 119 119 98 106 131 87 153 116 129 97 110 (i) Give a 95% confidence interval for ux - ply.
(ii) Test Ho x = μy against H₁ μx μy at significance level 0.05. (iii) Compute the associated p-value. (iv) Redo part (i) - (iii), but do not assume ox = σy, by pairing up the mothers of the two groups in the order they appear.
Transcribed Image Text:(ii) Test Ho x = μy against H₁ μx μy at significance level 0.05. (iii) Compute the associated p-value. (iv) Redo part (i) - (iii), but do not assume ox = σy, by pairing up the mothers of the two groups in the order they appear.
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