In this exercise you will test a hypothesie thet electoral syeteme affect turnout: In a conparison ef 100 countries, ceuntries with propertional representation electoral systema wil1 have higher turnout than countries with plurality electoral systems. The level of national economic development is an important control variable, because development is thought to generally increase voter turnout. Here is a surmary of Lhe resulis. Each cell value is the mean (average) Lurncut percentage Ivolers/voting age populaLien) fur all countries falling in each of Lhe caleçor (PR-leas developed, PR-developed, Plurality-lesa developed, Plurality-developed). Turnout ranges between Os and 100i. Average voter tumout by level of development and electoral system (100 countries, 25 in each cell) PR Plurality less developed 56.1 69.8 more developed 67 68.3 Evaluate the electoral system-turncut relstionship, contrclling for per capita GDP by answari-g the follcwing questions 1. Nhat is the average turnout for all of the countries? (There are 25 countries in each of the 4 celle cf the table.: 2. Tumout is about how much high in the more the developed countries on average? A. 2 points B. 5 points C. 8 points D.13 points 3. Based on the table, economic development appears to have little effect on voter turnout in which type of electoral system?: PR or Plurality

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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.