Use the frequency distribution to the right, which shows the number of voters (in millions) according to age, to find the probability that a voter chosen at random is in the given age range. Ages of voters Frequencyt 18 to 20 8.5 not between 21 and 24 years old 21 to 24 11.1 25 to 34 22.5 35 to 44 27.1 45 to 64 65 and over 59.5 29.1 The probability is 0.813 (Round to three decimal places as needed.)

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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.