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categoryإحصاء schoolبكالوريوس event_available2026-07-14

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The following data represent people's smoking habits and their usage of seat belts while in a car. A researcher wants to determine if smoking habits and seat belt usage are related. Use the α = 0.05 level of significance to test the claim. No Seat Belt Seat Belt Smoke 67 448 Do not Smoke 327 2187 2) Determine the test Statistic. Round to two decimal places. x² = 4.31 3) Determine the p-value. Round to four decimal places. p-value = 1.96

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