In a previous year, 53% of females aged 15 and older lived alone. A sociologist tests whether this percentage is different today by conducting a random sample of 500 females aged 15 and older and finds that 267 are living alone. Is there sufficient evidence at the a = 0.05 level of significance to conclude the proportion has changed? the Because npo (1- Po) = 10, the sample size is v 5% of the population size, and the sample v satisfied. equirements for testing the hypothesis Round to one decimal place 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.