What is the mean of the data set: 5, 10, 15, 20, 25?

Practice Questions

Q1
What is the mean of the data set: 5, 10, 15, 20, 25?
  1. 10
  2. 15
  3. 20
  4. 25

Questions & Step-by-Step Solutions

What is the mean of the data set: 5, 10, 15, 20, 25?
Correct Answer: 15
  • Step 1: Write down the data set: 5, 10, 15, 20, 25.
  • Step 2: Add all the numbers together: 5 + 10 + 15 + 20 + 25.
  • Step 3: Calculate the sum: 5 + 10 = 15, then 15 + 15 = 30, then 30 + 20 = 50, and finally 50 + 25 = 75.
  • Step 4: Count how many numbers are in the data set. There are 5 numbers.
  • Step 5: Divide the total sum (75) by the number of numbers (5): 75 / 5.
  • Step 6: Calculate the result: 75 divided by 5 equals 15.
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