4. A simple random sample of 16 observations from a normal population resulted in a sample mean of 17.25 and a sample standard deviation of 3.3. Develop a 95% confidence interval for the population mean. (Z=1.64)

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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.