Tables, bar graphs, pictographs, mean, median and mode.
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Q1 · Data Handling · EASY
A pictograph shows the number of books read by five students in a month. Each book symbol represents 4 books. If Ravi's row has 3 book symbols, how many books did Ravi read?
Q2 · Data Handling · EASY
The marks obtained by 7 students in a test are: 15, 18, 12, 15, 20, 15, 19. What is the mode of these marks?
Q3 · Data Handling · MEDIUM
A bar graph shows the favorite fruits of 40 students. Apple: 12 students, Banana: 8 students, Mango: 15 students, Orange: 5 students. How many more students like Mango than Banana?
Q4 · Data Handling · MEDIUM
The heights (in cm) of 5 children are: 120, 115, 125, 110, 130. What is the mean height?
Q5 · Data Handling · HARD
The ages (in years) of 9 people are: 22, 25, 19, 28, 25, 30, 19, 25, 32. Find the median age.