1. In a study examining socioeconomic differences in birthweight, the mean birthweight for babies born to n₁=80 mothers with a college education was 3145 grams with a standard deviation of 250 grams, while the mean birthweight for babies born to n₂=80 mothers with no more than a high school education was 2989 grams with a standard deviation of 329 grams
2. Which of the following states the appropriate hypotheses for testing if the mean birth weight between these two groups of mothers isdifferent, where₁= the mean for mothers with a college education and₂= the mean mothers with no more than a high school education
3. H₀:₁=₂vs. H_a:₁<₂
5. H₀:₁=₂vs. H_a:₁>
6. H₀:₁=₂vs. H_a:₁₂
8. H₀:₁₂vs. H_a:₁>₂