Question: What is the Mean, Sample Standard Deviation and Score on the midterm of these grades below: 50, 68, 74, 77, 78, 80, 80, 86, 86,

What is the Mean, Sample Standard Deviation and Score on the midterm of these grades below:

50, 68, 74, 77, 78, 80, 80, 86, 86, 90

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