The marks obtained by students in a Maths test are given below. Find their mode.
18,19,17,12,20,19,18,17,18,11.

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17,19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17,19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VII of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17, 19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VII of a school: 9,17,12,20,9,18,25,17,19,9,12,9,12,18,17,19,20,25,9,12,17, 19,19,20,9 What is the range of marks? What is the highest mark? Which mark is occurring more frequently?

Construct a frequency distribution table for the following marks obtained by 25 students in a history test in class VI of a school: 9,17,12,20,9,18,25,9,12,12,18,17,19,20,25,9,12,17,19,20,9 What is the rang of marks? What is the highest mark? Which mark is occurring more frequently?

The marks scored by 20 students in a Science test (30 marks) are given below : 8, 7, 12, 17, 20, 11, 16, 21, 28, 25, 27, 18, 20, 19, 7, 29, 16, 15, 20, 27. Using the data answer the following questions : What is the frequency of score 27?

Find the mode of the data 15,14,19,20,14,15,16,14,15,18,14,19.

Age of 15 students of a class is reported below find the model age. {:("Age (Years)",22,24,17,18,17,19,18,21,20,21,23,22,22,22):}

Given below are the marks obtained by 15 students of a class in a test. 26, 39, 21, 25, 30, 28, 22, 19, 20, 43, 6, 17, 18, 20, 40 If the student who got less than 20 marks is declared to be fail, then how many students are pass ?

Find the mode of the following 20,21,15,18,21,17,21