Among 360 college students, a survey is conducted that 202 take math classes, 170 take philosophy classes, 173 take English classes, 93 take math and philosophy classes, 45 take philosophy and English classes, 73 take math and English classes, and 12 take all three.  How many students do not take any of math, philosophy, and English classes?

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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.