According to the U.S. Census Bureau, in 1950, 39.3 million families had a child under 18 at home. Suppose a recent study found that the number had decreased by 8.9%. How many million families had a child under 18 at home according to this study? Round the number of millions to the nearest tenth

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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.