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One manufacturer has developed a quantitative index of the​ “sweetness” of orange juice.​ (The higher the​ index, the sweeter the​ juice)

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One manufacturer has developed a quantitative index of the​ “sweetness” of orange juice.​ (The higher the​ index, the sweeter the​ juice). Is there a relationship between the sweetness index and a chemical measure such as the amount of​ water-soluble pectin​ (parts per​ million) in the orange​ juice? Data collected on these two variables for 24 production runs at a juice manufacturing plant are shown in the accompanying table. Suppose a manufacturer wants to use simple linear regression to predict the sweetness​ (y) from the amount of pectin​ (x).

 Find the least squares line for the data

y=?+?x ATTACHMENT PREVIEW Download attachmentRunSweetness_IndexPecTn_(ppm)15.222025.622936.126045.820955.722265.921475.823085.626695.6240105.9211115.4413125.7256135.9305145.5259155.2285165.4386175.8269185.6264195.7226205.4265215.9231225.8222235.8246245.9242

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