ralo isi no lou 2. Does the type of prenatal care affect a baby's birth weight? Researchers compared the birth weight of babies following four different types of prenatal care: no prenatal care at...

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Extracted text: ralo isi no lou 2. Does the type of prenatal care affect a baby's birth weight? Researchers compared the birth weight of babies following four different types of prenatal care: no prenatal care at all, over-the counter- prenatal vitamins, prescribed prenatal vitamins with irregular doctor visits, prescribed prenatal vitamins with regular doctor visits. At the 5% significance level, what conclusions can be reached? No Prenatal Care 5.9 5.8 6.2 5.6 5.7 6.1as 6,0 Over-the-Counter 6.0 Vitamins Only 6.1 6.1 6.3 6.5 6.3 6.2 Irregular Doctor Visits 7.0 6.7 6.9 7.1 7.2 7.1 6.8 Regular Doctor Visits 7.1 7.6 7.5 6.9 7.4 7.2 7.3