Question

A group of students was given a special test. The test was completed by various
students in the following time (in mins): 18,20,21,23,25,25,29,31,31,27.
i) what is the highest marks among all the students
ii) what is the lowest marks among all the students
iii) what is the mean
iv) how many students have marks more than the mean ​

Answer 1

the passage is about time taken and question is about marks

18,20,21,23,25,25,29,31,31,27

1. 31.
2. 18.
3. 18+20+21+23+25+25+29+31+31+27

= 250

so, mean =250/10

mean=25

4. 4 students

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