Question: The mean scores for students in a statistics course (by major) are shown below. What is the mean score for the class? 9 engineering majors:

The mean scores for students in a statistics course (by major) are shown below. What is the mean score for the class?

9 engineering majors: ……    85

5 math majors: …………..     90

13 business majors: ……..      81

Find the weighted mean of the data.

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