2.25 2.19 2.55 2.36 2.99 3.14 3.65 3.45 3.85 2.54 3.67 3.44 2.88 3.44 3.84 2.93 Send data to Excel (a) Following is a boxplot of the data. Is it reasonable to assume that the population is approximately normal? 2.0 2.5 3.0 3.5 4.0 (b) Assume that the population standard deviation is o = 0.6. If appropriate, perform a hypothesis test at the a=0.01 level to determine whether the mean GPA for business students differs from the mean GPA at the whole university. What do you conlcude? Use the critical value method.

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A: Given that:  Population mean

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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.