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A researcher is investigating the relationship between weight and neck circumference. He collects a dataset of...

A researcher is investigating the relationship between weight and neck circumference. He collects a dataset of {n} individuals and obtains the following: The mean neck circumference is 81.42 cm. The mean weight is 40.82 kg. The standard deviation of neck circumferences is 2.77 cm. The standard deviation of weights is 11.88 kg. The correlation coefficient between weight and neck circumference is 0.8274. Use this information to calculate the predicted change in neck circumference when weight increases by 1kg. Select one: a. 73.74 b. -248.10 c. -244.56 d. 3.55 e. 0.19

Math   Statistics-And-Probability   
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