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If the mean of a data set is 12 and there are 8 values, what is the total sum of

Practice Questions

Q1
If the mean of a data set is 12 and there are 8 values, what is the total sum of the values?
  1. 80
  2. 90
  3. 100
  4. 110

Questions & Step-by-Step Solutions

If the mean of a data set is 12 and there are 8 values, what is the total sum of the values?
Correct Answer: 96
  • Step 1: Understand that the mean is the average of a set of values.
  • Step 2: Know that the mean is calculated by dividing the total sum of the values by the number of values.
  • Step 3: Rearrange the formula for mean to find the total sum: Total sum = Mean * Number of values.
  • Step 4: Substitute the given mean (12) and the number of values (8) into the formula: Total sum = 12 * 8.
  • Step 5: Calculate the total sum: 12 multiplied by 8 equals 96.
  • Mean Calculation – Understanding that the mean is the total sum of values divided by the number of values.
  • Basic Arithmetic – Applying multiplication to find the total sum from the mean and the number of values.
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