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The systolic blood pressure dataset (in the spreadsheet I have attached a photo of) contains the systolic blood pressure and age of 30 randomly selected

The systolic blood pressure dataset (in the spreadsheet I have attached a photo of) contains the systolic blood pressure and age of 30 randomly selected patients in a medical facility. Using the formula Y=bx+a

What is the equation for the least square regression line where the independent or predictor dependent or response variable is systolic blood pressure?

Patient 4 is 47 years old and has a systolic blood pressure of 145 mm Hg. What is the residual?

Is the actual value above, below, or on the line?

What is the interpretation of the residual?

i just asked the same question and the response was great but I put the wrong numbers in the question:(

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