Question: Given the sample data: 23, 26, 39, 26, 35, 56, 35, 40. What is the standard deviation. In a math class of 60 students, the

  1. Given the sample data: 23, 26, 39, 26, 35, 56, 35, 40. What is the standard deviation.
  2. In a math class of 60 students, the mean general average of the students at the end of the semester is 57 with a standard deviation of 4. Assuming that the scores are normally distributed, how many would pass if the passing score is 50?
  3. 2. The height of the students at a particular university is normally distributed with a mean of 63 inches and a standard deviation of 3 inches. There are 5000 students at this university. How many students have a height between 60 to 66 inches?

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