he Gays Love You  Chamber of Business conducted a survey amongst 17 furniture retailers to identify the percentage of bad debts in each company’s debtors’ book. The bad debts percentages are as follows 2.2   4.7   6.3   5.8   5.7   7.2   2.6   2.4   6.1   6.8  2.2   5.7   3.4   6.6   1.8   4.4 and 5.4 (a) Calculate the skewness coefficient for percentage of bad debts. Is the data skewed? (b) Compute the first quartile and the third quartile of the percentage of bad debts amongst the furniture retailers surveyed. Interpret these quartile values.

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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.