Determine the necessary sample size. A study is being conducted to estimate the proportion of people who plan to travel over 100 miles at some time during the holiday season. What is the smallest number of people that should be surveyed in order to be 95% confident that the true proportion is estimated to within 4%? (Hint: use a 'worst case scenario' of p=0.50) 1503 1024 1068 2401 601

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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.