Identify the type of observational study (cross-sectional, retrospective, or prospective) described below. A research company uses a device to record the viewing habits of about 5000 households, and the data collected over the past 6 years will be used to determine whether the proportion of households tuned to a particular sports program increased. Which type of observational study is described in the problem statement? А. A prospective study В. A random study С. A retrospective study A cross-sectional study

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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.