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Calculate the mean of the following numbers: 4, 8, 12, 16, 20.

Practice Questions

Q1
Calculate the mean of the following numbers: 4, 8, 12, 16, 20.
  1. 10
  2. 12
  3. 14
  4. 16

Questions & Step-by-Step Solutions

Calculate the mean of the following numbers: 4, 8, 12, 16, 20.
  • Step 1: Write down the numbers you want to find the mean of: 4, 8, 12, 16, 20.
  • Step 2: Add all the numbers together: 4 + 8 + 12 + 16 + 20.
  • Step 3: Calculate the total: 4 + 8 = 12, then 12 + 12 = 24, then 24 + 16 = 40, and finally 40 + 20 = 60.
  • Step 4: Count how many numbers there are. In this case, there are 5 numbers.
  • Step 5: Divide the total (60) by the number of numbers (5): 60 / 5.
  • Step 6: Calculate the result: 60 divided by 5 equals 12.
  • Mean Calculation – The mean is calculated by summing all the numbers in a set and dividing by the count of numbers.
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