Q. 93.9( 24 Votes )

# Find out the mode of the following marks obtained by 15 students in a class:

Marks: 4, 6, 5, 7, 9, 8, 10, 4, 7, 6, 5, 9, 8, 7, 7.

Answer :

**To Find:** Mode of the data

**Given:** Data of 15 students in a class

**Concept Used:** The **mode of a data** set is the number that occurs most frequently in the set.

**Explanation:**

**Since, the maximum frequency corresponds to the value 7, then mode = 7 marks.**

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PREVIOUSThirty children were asked about the number of hours they watched T.V. programmes in the previous week. The results were found as follows:1, 6, 2, 3, 5, 12, 5, 8, 4, 8, 10, 3, 4, 12, 2, 8, 15, 1, 17, 6, 3, 2, 8, 5, 9, 6, 8, 7, 14, 12(i) Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5-10.(ii) How many children watched television for 15 or more hours a week?NEXTGiven below are the cumulative frequencies showing the weights of 685 students of a school. Prepare a frequency distribution table.

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