![]() ![]() In particular, you are probably wondering how far above the mean you were compared to others in the class. ![]() You might be interested to know how the scores were spread above and below the average (mean). If you were to discover that it was 50, you might feel better about your performance because you were above average. What other information might you wish to know? Perhaps you would like to know the average (mean) grade on the test. Now let’s assume that the test was very difficult and the instructor didn’t expect anyone to have mastered all of the content on it. How would you feel? The first question you might ask is how many points were possible? If you were told that 85 points were possible you might not feel too well since you correctly answered about 64% of the questions. Suppose that you have just completed your midterm for this class and you were told that you had a score of 55. ![]()
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