Four types of checking accounts are offered by one bank. Suppose that recently a random sample of 300 bank customers was surveyed and asked several questions. It was found that 60% of the respondents preferred Easy Checking; 12%, Intelligent Checking; 18%, Super Checking; and the remainder, Ultimate Checking. Of those who selected Easy Checking, 100 were females; one-third of the respondents who selected Intelligent Checking were males; half of the respondents who selected Super Checking were males; and 80% of respondents who selected Ultimate Checking were males.a. Describe the data with a cross table.b. Describe the data graphically.

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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.