In a survey, the ages of 15 participants are: 22, 23, 23, 24, 24, 24, 25, 26, 27

Practice Questions

Q1
In a survey, the ages of 15 participants are: 22, 23, 23, 24, 24, 24, 25, 26, 27, 27, 28, 29, 30, 30, 30. What is the mode of the ages?
  1. 24
  2. 25
  3. 27
  4. 30

Questions & Step-by-Step Solutions

In a survey, the ages of 15 participants are: 22, 23, 23, 24, 24, 24, 25, 26, 27, 27, 28, 29, 30, 30, 30. What is the mode of the ages?
  • Step 1: Write down the ages of all participants: 22, 23, 23, 24, 24, 24, 25, 26, 27, 27, 28, 29, 30, 30, 30.
  • Step 2: Count how many times each age appears in the list.
  • Step 3: The counts are: 22 appears 1 time, 23 appears 2 times, 24 appears 3 times, 25 appears 1 time, 26 appears 1 time, 27 appears 2 times, 28 appears 1 time, 29 appears 1 time, and 30 appears 3 times.
  • Step 4: Identify the age that appears the most frequently.
  • Step 5: The ages 24 and 30 both appear 3 times, but since we are looking for the highest value, the mode is 30.
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