Maths std 7 joint bar graph

STD 7 JOINT BAR GRAPH

1. JOINT BAR GRAPH Manjiri Sawant Roll no 48

2. Recall What are graph? A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner .. There are different types of Graph approximately more than 45 graphs are there.

3. X Axis y axis and scale Y axis X axis The ScaleShould be include all the data values and be easily divided into equal intervals Scale This is the X axis horizontal line Represent product, year ,subject name etc This is the Y axis vertical line Represent unit, measurement

4. What is a bar graph ? And where you have seen bar graph? A bar graph can be defined as graphical representation of data, quantities or numbers using bars its used to compare data. In Cricket we have seen the bar graph which shows the information about run scored in every over and wicket.

5. Ch 7 Joint Bar Graph What are joint bar graph? A joint bar graphs is a set of bar graphs showing different sets of information but joined to each other. Advantage of Joint bar Graph Camparing of the Scale become easier Time saving

6. Observe the graph shown and answer the following questions: 1.In Which year did they both produce equal quantities of Wheat? Ans: 2011 2. In year 2014 who produced more Wheat? Ans: Ajay produce more wheat 3.In year 2013,how much wheat did Ajay and Vijay produce? Ans:Ajay produce 40 quintals and Vijay produce 30 quintals

7. Example The number of trees planted by children of 5th 6th and 7th students in their campus in the year 2018 and 2019 . Draw the joint bar graph below Year\ std 5th 6th 7th 2018 38 30 22 2019 42 50 25

8. 5th 6th 7th Scale :x= std y=1cm= 10 plants

9. HOME WORK

10. THANK YOU