Tally marks are used to find :

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Mean

Frequency

Median

Mode

answer is B.

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Detailed Solution

Tally marks are used to find the frequency.

For Example:

The representation of the various observations and tally marks in a form of a table is the frequency distribution. The frequency is the number of times an observation occurs. It is the number of repetitions. Consider a class of 30 students, 5 like badminton. 10 students like cricket, 3 like tennis, 4 like football, 7 like volleyball, and 1 likes hockey.

Representation of this data:

Tally

This table is the frequency distribution table or the frequency table. Each item in this table, badminton, cricket, etc. is an observation. The number of students is the frequency.

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