Based on various studies, it is known that the mean ACT-math score in America is 21 with a standard deviation of 3.2. What is the probability that a sample of 15 students will have an average ACT-math score of greater than 23? Show all

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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.