A group of 2000 individuals from 3 different cities were asked whether they owned a foreign or a domestic car. The following contingency table shows the results of the survey Type of Car Domestiç Foreign Total CITY Atlanta Detroit 80 200 600 120 200 800 Denver 520 480 1000 Total 800 1200 2000 At a = 0.05 using the p-value approach, test to determine if the type of car purchased is independent of the city in which the purchasers live. %3D

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.