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The mean of 7, 9, 11, and 13 is what? (2019)

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Question: The mean of 7, 9, 11, and 13 is what? (2019)

Options:

  1. 9
  2. 10
  3. 11
  4. 12

Correct Answer: 10

Exam Year: 2019

Solution: 

Mean = (7 + 9 + 11 + 13) / 4 = 40 / 4 = 10.

The mean of 7, 9, 11, and 13 is what? (2019)

Practice Questions

Q1
The mean of 7, 9, 11, and 13 is what? (2019)
  1. 9
  2. 10
  3. 11
  4. 12

Questions & Step-by-Step Solutions

The mean of 7, 9, 11, and 13 is what? (2019)
  • Step 1: Add all the numbers together: 7 + 9 + 11 + 13.
  • Step 2: Calculate the sum: 7 + 9 = 16, then 16 + 11 = 27, and finally 27 + 13 = 40.
  • Step 3: Count how many numbers there are. In this case, there are 4 numbers: 7, 9, 11, and 13.
  • Step 4: Divide the total sum (40) by the number of numbers (4): 40 / 4.
  • Step 5: Calculate the division: 40 divided by 4 equals 10.
  • Mean Calculation – The mean is calculated by summing a set of numbers and dividing by the count of those numbers.
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