Tally Marking Method
A tally mark is used in frequency distribution to count class frequencies. How are tallies counted when there are 16 values in a class?
- 16 individual tally marks in a single row
- Three groups of five (////) and one individual mark
- Three groups of five tallies (////) and one additional tally — Correct Answer
- Four groups of four tallies
Explanation:
Correct Answer Explanation
For 16 values, tallies are written as three groups of five (////̶) and one individual mark — i.e., ////̶ ////̶ ////̶ /.
Tally Marking Rules:
- Four tallies are marked as //// and the fifth tally is placed diagonally across them: ////̶
- Tallies are counted in groups of five for easier counting.
- 16 = (5 + 5 + 5 + 1) = ////̶ ////̶ ////̶ /
- Tally marking is how class frequency is determined during the construction of a frequency distribution from raw data.
📚 About this Topic — CH-3: Organisation of Data
This multiple choice question is from CH-3: Organisation of Data, NCERT Books, Statistics for Economics. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from CH-3: Organisation of Data to strengthen your preparation.