n a study of speed dating, male subjects were asked to rate the attractiveness of thier female dates, and a sample ofnthe results is listed below (1= not attractive; 10= extremely attractive). Construct a confidence interval using a 90% confidence level. What do the results tell about the mean attractiveness ratings of the populatinnof all adult females?    6,8,3,8,6,5,6,7,9,9,6,9   A. What is the confidence interval for the population mean μ​? ___ < μ​ < ____   B. What does the confidence interval tell about the population of all adult​ females? Select the correct choice below​ and, if​ necessary, fill in the answer​ box(es) to complete your choice.   A. We are confident that 90% of all adult females have attractiveness ratings between ____ and ____. B. The results tell nothing about the population of all adult​ females, because participants in speed dating are not a representative sample of the population of all adult females. C. We are 90​% confident that the interval from _____ to _____ actually contains the true mean attractiveness rating of all adult females.

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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.