Question: The following data show the connection between blood sugar levels and cholesterol levels for eight different patients. For the data given in the preceding table,

The following data show the connection between blood sugar levels and cholesterol levels for eight different patients.

Patient 1 23 2 3 45 6 7 8 Blood Sugar Level For the data given in the preceding table, Σx = 1394, Σy = 1607, Σxy = 291,990, Σx² = 255,214, and Σy² = 336,155.

(a) Find the equation of the least squares line.

(b) Predict the cholesterol level for a person whose blood sugar level is 190.

Patient 1 23 2 3 45 6 7 8 Blood Sugar Level (x) 130 138 142 159 165 200 210 250 Cholesterol Level (v) 170 160 173 181 201 192 240 290

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