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In a dataset of test scores: 70, 75, 80, 85, 90, what is the mean score?

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Question: In a dataset of test scores: 70, 75, 80, 85, 90, what is the mean score?

Options:

  1. 75
  2. 80
  3. 85
  4. 90

Correct Answer: 80

Solution: 

Mean = (70 + 75 + 80 + 85 + 90) / 5 = 400 / 5 = 80.

In a dataset of test scores: 70, 75, 80, 85, 90, what is the mean score?

Practice Questions

Q1
In a dataset of test scores: 70, 75, 80, 85, 90, what is the mean score?
  1. 75
  2. 80
  3. 85
  4. 90

Questions & Step-by-Step Solutions

In a dataset of test scores: 70, 75, 80, 85, 90, what is the mean score?
  • Mean Calculation – The mean is calculated by summing all values in a dataset and dividing by the number of values.
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