(b) Determine the equation of the least-squares line for prediction heart diesease death rate from wine consumption using the data in the table. DEATHRT = + ALCOHOL Determine the correlation. (c) Interpret the correlation. O The correlation is close to -1, indicating that the predictions of wine consumption from death rate will be fairly accurate. O The correlation is close to -1, indicating that the predictions of death rate from wine consumption will Not be fairly accurate. O The correlation is close to -1, indicating that the predictions of death rate from wine consumption will be fairly accurate. O The correlation is close to -1, indicating that the predictions of wine consumption from death rate will Not be fairly accurate. About what percent of the variation among countries in heart disease death rates is explained by the straight-line relationship with wine consumption? %

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Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.