Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). A new version of the exam was introduced in spring 20152015 and is intended to shift the focus from what applicants know to how well they can use what they know. One result of the change is that the scale on which the exam is graded has been modified, with the total score of the four sections on the test ranging from 472472 to 528528 . In spring 20152015 the mean score was 500.0500.0 with a standard deviation of 10.610.6 . Use Table A to find the answers to the two questions. (a) What proportion of students taking the MCAT had a score over 512512 ? Compute the proportion and then enter the answer as a percentage rounded to two decimal places. percentage over 512512 =   % (b) What proportion of students taking the MCAT had scores be

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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.