Correlation errors Your Economics instructor assignsyour class to investigate factors associated with the gross domestic product (GDP) of nations. Each student exam-ines a different factor (such as Life Expectancy, Literacy Rate, etc.) for a few countries and reports to the class.Apparently, some of your classmates do not understandStatistics very well because you know several of theirconclusions are incorrect. Explain the mistakes in theirstatements below.a) “My very low correlation of -0.772 shows that thereis almost no association between GDP and InfantMortality Rate.”b) “There was a correlation of 0.44 between GDP andContinent.”

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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.