Question 252 pts Mean difference = 0.70, 95% CI: (0.20, 1.00). Did this study yield significant results? Group of answer choices Yes No Question 263 pts For Questions 26 - 30: Carry 3 decimals during calculations, Report all final answers to 2 decimal places. (x.xx) The mean birth weight of babies born to non-smoking mothers in the United States population typically has a mean of 3500 grams with a standard deviation of 350 g. A sample of 64 babies born to smoking mothers had a mean birth weight of 2970 g with a standard deviation of 240 g. Construct a 95% confidence interval for the true population birth weight for babies born to smoking mothers. Answer the following questions: What is the Standard Error (SE)? Question 273 pts Report all final answers to 2 decimal places. (x.xx) What is the Margin of Error (M) = Question 284 pts Report all final answers to 2 decimal places. (x.xx) What is the LCL? = What is the UCL? =