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If the mean of a data set is 30 and there are 10 values, what is the total sum o

Practice Questions

Q1
If the mean of a data set is 30 and there are 10 values, what is the total sum of the values?
  1. 300
  2. 310
  3. 320
  4. 330

Questions & Step-by-Step Solutions

If the mean of a data set is 30 and there are 10 values, what is the total sum of the values?
Correct Answer: 300
  • 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 (30) and the number of values (10) into the formula: Total sum = 30 * 10.
  • Step 5: Calculate the total sum: 30 * 10 = 300.
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