Blood pressure values are often reported to the nearest 5 mmHg (100, 105, 110, etc.). The actual blood pressure values for nine randomly selected individuals are given below. 108.6 117.4 128.4 120.0 103.7 112.0 98.3 121.5 123.2 In USE SALT (a) What is the median of the reported blood pressure values? mmHg (b) Suppose the blood pressure of the second individual is 117.6 rather than 117.4 (a small change in a single value). What is the new median of the reported values? mmHg

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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.