Review the database NCbirths. Describe the limitations that may exist if this database is used as a sample of all North Carolina births. Conduct an exa

 Review the database NCbirths. Describe the limitations that may exist if this database is used as a sample of all North Carolina births.

  1. Conduct an examination of the impact of smoking and marital status on birthweight using Analysis of Variance as described in chapter XV of the online textbook.
  2. Construct a chi-square analysis of the relationship between smoking and ethnicity as described in chapter XVII of the online textbook.
  3. Write a short report (1 to 2 pages for each variable) that includes the results of your analysis and answers the following questions:
  4. Write a research question appropriate for each analysis.
  5. What is the null and alternative hypothesis for each analysis?
  6. What were the results of each analysis? Describe what relationships, if any, were significant and the decision made concerning the null hypothesis.

ncbirths

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fage mage mature weeks premie visits marital gained weight lowbirthweight gender habit whitemom
13 younger mom 39 full term 10 not married 38 7.63 not low male nonsmoker not white
14 younger mom 42 full term 15 not married 20 7.88 not low male nonsmoker not white
19 15 younger mom 37 full term 11 not married 38 6.63 not low female nonsmoker white
21 15 younger mom 41 full term 6 not married 34 8 not low male nonsmoker white
15 younger mom 39 full term 9 not married 27 6.38 not low female nonsmoker not white
15 younger mom 38 full term 19 not married 22 5.38 low male nonsmoker not white
18 15 younger mom 37 full term 12 not married 76 8.44 not low male nonsmoker not white
17 15 younger mom 35 premie 5 not married 15 4.69 low male nonsmoker not white
16 younger mom 38 full term 9 not married 8.81 not low male nonsmoker white
20 16 younger mom 37 full term 13 not married 52 6.94 not low female nonsmoker white
30 16 younger mom 45 full term 9 not married 28 7.44 not low male nonsmoker white
16 younger mom 42 full term 8 not married 34 8.81 not low female nonsmoker white
16 younger mom 40 full term 4 not married 12 6 not low female nonsmoker not white
16 younger mom 38 full term 12 not married 30 7.13 not low female nonsmoker white
21 16 younger mom 38 full term 15 not married 75 7.56 not low female smoker white
16 younger mom 40 full term 7 not married 35 6.88 not low male smoker white
14 16 younger mom 40 full term 12 not married 9 5.81 not low female smoker white
16 16 younger mom 24 premie 5 not married 12 1.5 low male nonsmoker not white
20 17 younger mom 40 full term 8 not married 20 8.25 not low female nonsmoker white
18 17 younger mom 37 full term 10 not married 39 6.19 not low female nonsmoker not white
17 younger mom 39 full term 10 not married 40 7 not low male nonsmoker not white
20 17 younger mom 40 full term 17 not married 38 7.19 not low male nonsmoker white
20 17 younger mom 39 full term 9 not married 36 6 not low male nonsmoker not white
17 younger mom 40 full term 15 not married 20 7.63 not low female nonsmoker not white
26 17 younger mom 38 full term 11 not married 30 9.5 not low female nonsmoker white
17 younger mom 38 full term 12 not married 30 5.56 not low female nonsmoker not white
17 younger mom 39 full term 12 not married 50 7.5 not low male nonsmoker not white
20 17 younger mom 40 full term 10 not married 68 7.44 not low male nonsmoker not white
31 17 younger mom 39 full term 12 not married 27 7.56 not low male nonsmoker white
17 17 younger mom 38 full term 12 not married 22 6.06 not low male nonsmoker not white
17 younger mom 42 full term 8 not married 72 7.44 not low male smoker white
19 17 younger mom 36 premie 15 not married 25 7 not low male nonsmoker not white
20 17 younger mom 29 premie 6 not married 35 4.56 low male nonsmoker not white
17 17 younger mom 29 premie 4 not married 10 2.63 low female nonsmoker not white
19 17 younger mom 35 premie 3 not married 30 6.38 not low male nonsmoker white
18 17 younger mom 35 premie 12 not married 25 7.25 not low male nonsmoker not white
18 17 younger mom 31 premie 6 not married 1 1.56 low female nonsmoker white
18 younger mom 42 full term 15 not married 27 7.44 not low male nonsmoker white
28 18 younger mom 38 full term 15 not married 30 6 not low female nonsmoker not white
28 18 younger mom 41 full term 10 not married 11 6.5 not low female nonsmoker not white
20 18 younger mom 43 full term 8 not married 50 7.31 not low female nonsmoker not white
18 younger mom 41 full term 6 not married 41 7.88 not low male nonsmoker not white
25 18 younger mom 40 full term 6 married 20 6.19 not low male nonsmoker white
20 18 younger mom 38 full term 6 not married 48 7 not low female nonsmoker white
23 18 younger mom 37 full term 6 married 35 5.81 not low female nonsmoker white
21 18 younger mom 38 full term 16 not married 40 7.44 not low female nonsmoker white
21 18 younger mom 41 full term 10 not married 30 7.75 not low male nonsmoker not white
24 18 younger mom 40 full term 15 married 57 8 not low female nonsmoker white
20 18 younger mom 40 full term 11 not married 28 6.63 not low female nonsmoker white
20 18 younger mom 38 full term 13 not married 60 8.31 not low male nonsmoker white
21 18 younger mom 40 full term 12 not married 7.25 not low female nonsmoker not white
21 18 younger mom 40 full term 13 not married 10 5.5 low female nonsmoker white
25 18 younger mom 42 full term 11 not married 35 7.81 not low female nonsmoker white
20 18 younger mom 41 full term 9 not married 18 7 not low female nonsmoker not white
21 18 younger mom 37 full term 15 not married 23 7.31 not low male nonsmoker white
18 younger mom 39 full term 8 not married 26