Example (Page 80) - Chapter 4 Class 6 - Data Handling and Presentation (Ganita Prakash)

Transcript

Example (Page 80) Nand Kishor collected responses from the children of his middle school in Berasia regarding how often they slept at least 9 hours during the night. He prepared a pictograph from the data: Answer the following questions using the pictograph: 1. What is the number of children who always slept at least 9 hours at night? 2. How many children sometimes slept at least 9 hours at night? 3. How many children always slept less than 9 hours each night? Explain how you got your answer. Writing it in table Now, let’s answer our questions 1. What is the number of children who always slept at least 9 hours at night? 50 children always slept atleast 9 hours at night 2. How many children sometimes slept at least 9 hours at night? 25 children sometimes slept 9 hours at night 3. How many children always slept less than 9 hours each night? Explain how you got your answer. 40 children never slept 9 hours at night. So, they always slept less than 9 hours a night