Collect and represent data in the form of bar graphs.
Amirtha was given a task of maintaining record for stationery items in her home. She started counting one by one but after a while she lost her counting and worried. Then her friend Vani came to help her. First she grouped the items. Say, pencils, erasers, rulers, text books, notebooks, magazines, sharpener. Then Amirtha counted and wrote as follows.
Kalavathi collected information about the favourite drinks of her schoolmates and represent the data given below.
(i) The number of coffee drinkers 40
(ii) Which drink is liked least? Milk
(iii) Which is liked most?
Answer: (b) Tea
Draw a bar diagram for students using gas, Kerosene and fire wood in their houses.