Data Handling

A survey was conducted in a school to find out the favourite sport among students. The results were: Cricket - 40, Football - 25, Badminton - 15, Hockey - 20. What is the total number of students surveyed?

In a class, the number of students who scored grades A, B, C, and D in a test are 12, 18, 20, and 10 respectively. What percentage of students scored grade B?

The following data shows the number of books read by students in a month: 2, 3, 5, 3, 2, 4, 3, 5, 2, 3. What is the mode of the data?

A bar graph shows the number of mangoes sold in 5 weeks: 50, 70, 60, 80, 40. What is the median number of mangoes sold?

In a pie chart representing favourite Bollywood actors, if Shah Rukh Khan's sector measures 90°, what fraction of the total does he represent?

The marks obtained by 7 students in a test are: 45, 55, 65, 75, 85, 95, 100. What is the mean score?

A frequency distribution table shows the number of hours students study per day: 1 hr - 5 students, 2 hrs - 8 students, 3 hrs - 12 students, 4 hrs - 10 students, 5 hrs - 5 students. What is the median study time?

The following data shows the number of runs scored by a cricket player in 10 matches: 30, 45, 50, 60, 40, 55, 70, 65, 80, 75. What is the range of the runs scored?