If the mean of a set of numbers is 30 and the total number of elements is 6, wha

Practice Questions

Q1
If the mean of a set of numbers is 30 and the total number of elements is 6, what is the total sum of the elements? (2023)
  1. 180
  2. 150
  3. 120
  4. 200

Questions & Step-by-Step Solutions

If the mean of a set of numbers is 30 and the total number of elements is 6, what is the total sum of the elements? (2023)
  • Step 1: Understand that the mean (average) is calculated by dividing the total sum of the elements by the number of elements.
  • Step 2: Identify the mean given in the question, which is 30.
  • Step 3: Identify the total number of elements given in the question, which is 6.
  • Step 4: Use the formula for the mean: Mean = Total Sum / Number of Elements.
  • Step 5: Rearrange the formula to find the Total Sum: Total Sum = Mean * Number of Elements.
  • Step 6: Substitute the values into the formula: Total Sum = 30 * 6.
  • Step 7: Calculate the total sum: 30 * 6 = 180.
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