A teacher recorded the test scores of 9 students as follows: 70, 75, 80, 82, 85, 88, 90, 92, 95. The median score is _______.
Answer & Analysis
Analysis
Question Analysis
This question tests the student's ability to find the median of a given data set. The data set is already sorted, and the student needs to identify the middle value.
Key Concept Explanation
The median is the middle value in a sorted data set. If the number of data points is odd, the median is the middle number. If even, it is the average of the two middle numbers.
Step-by-step Solution
1. The data set is already sorted: 70, 75, 80, 82, 85, 88, 90, 92, 95.
2. Si...
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