1. The following data were obtained in a study of the relationship between the weight and chest size of infants at birth: Weight (g) 2.75 Chest size (cm) 29.5 2.15 26.3 4.41 32.2 5.52 36.5 321 27.2 4.32 27.7 231 28.3 4.30 3.71 30.3 28.7 a. Validate the claim that the weight of the infant has influence on its chest size by testing the linear correlation between the two variables. b. If there is a linear correlation, based on your computation in letter (a), construct a simple linear regression model. Otherwise, disregard this question and the next question. E Estimate the chest size given that the weight is 3.00 kg

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