(USE 1 DECIMAL FOR CALCULATION) A researcher believes that design and the safety of the cars is very important for the customers when buying a car. In order to understand the brand perception of customers' researcher shows three different car pictures and ask them "can you classify this car (in picture) as "sporty" or "safety"? the following cross tabulation is obtained. Test the claim that car brand and consumer perception is dependent. Automobiles Sporty Safety BMW 30 150 Mercedes 60 160 Renault 40 60 Calculate the test statistics.

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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.