In a frequency distribution, if the class intervals are 0-10, 10-20, 20-30 and t

Practice Questions

Q1
In a frequency distribution, if the class intervals are 0-10, 10-20, 20-30 and their frequencies are 5, 10, 15, what is the mode?
  1. 10
  2. 20
  3. 30
  4. 15

Questions & Step-by-Step Solutions

In a frequency distribution, if the class intervals are 0-10, 10-20, 20-30 and their frequencies are 5, 10, 15, what is the mode?
Correct Answer: 20-30
  • Step 1: Identify the class intervals given in the frequency distribution. They are 0-10, 10-20, and 20-30.
  • Step 2: Identify the frequencies corresponding to each class interval. They are 5 for 0-10, 10 for 10-20, and 15 for 20-30.
  • Step 3: Compare the frequencies to find the highest one. The frequencies are 5, 10, and 15.
  • Step 4: Determine which frequency is the highest. The highest frequency is 15, which corresponds to the class interval 20-30.
  • Step 5: Conclude that the mode is the class interval with the highest frequency, which is 20-30.
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