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Question
In some colleges, there's distribution of grades on a 4.0-scale and the grades are awarded as letters such as A, B etc. The above histogram shows grades in history for a class.
College professors sometimes use statics to summarize class performance so that students will have an idea of how they are doing relative to the rest of the class. If the professor wants to report that at least half of the grades were a 3.0 or above,which measure of center should she use to describe the results?
In some colleges, there's distribution of grades on a 4.0-scale and the grades are awarded as letters such as A, B etc. The above histogram shows grades in history for a class.
College professors sometimes use statics to summarize class performance so that students will have an idea of how they are doing relative to the rest of the class. If the professor wants to report that at least half of the grades were a 3.0 or above,which measure of center should she use to describe the results?
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Solution
The correct option is C Mode or median
Mean or average can be used when the professor would require an individual estimate of the performance of students or a rough estimate of the performance of the class in entirety.Hence, median or mode should be used to describe the desired results.
Mean or average can be used when the professor would require an individual estimate of the performance of students or a rough estimate of the performance of the class in entirety.
Hence, median or mode should be used to describe the desired results.
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