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1. Based on the data above , is there a statistically significant difference in mean weight when comparing your sample of newborn babies to the

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1. Based on the data above , is there a statistically significant difference in mean weight when comparing your sample of newborn babies to the general population of newborn babies ? Please show ALL 6 steps as discussed in lecture and show your work where appropriate . Be sure to provide a final take -home conclusion /interpretation . Please use a significance level of 0.05 . (8 points ) Step 1: Step 2: Step 3: Step 4: Step 5: Step 6: 2. Based on your results , what is the effect size when comparing the mean weight in your sample of newborn babies to the mean weight in the general population of newborn babies ? Please show your work where appropriate AND interpret your answer in a complete sentence . (3 points ) 3. Based on your results , do you think your sample of newborn babies is representative of the general population of newborn babies ? Briefly explain your answer . (2 points ) 4. Based on your study , what mean weights for the general population of newborn babies correspond to a 95 % confidence interval ? Please show your work where appropriate AND interpret your answer in a complete sentence . (3 points ) Problem 3. (5 points total ) You decide to change your hypothesis for your study (described in Problem 2). Given that patients receiving care at Cedars Sinai Medical Center are probably very different from patients receiving care at all other hospitals , you now hypothesize that the mean weight of newborn babies in your sample will be greater than the mean weight of the general population of newborn babies 1. Does each of the following change ? If it changes , be specific and discuss how it changes If it doesn't change , please briefly explain why . (4 points ) a. Your Z-statistic /Z-value b. Your critical value (s) C. Your final take -home interpretation 2. Assume the p-value you got for your study is 0.45 . Please interpret this p-value in a complete sentence as discussed in lecture . (1 point )

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