By the end of the lesson, the learner should be able to:

15.1. Collection of Data: - Understand the concept of data collection - Identify different methods of data collection - Collect data using appropriate methods

15.2. Arranging Data in Order: - Understand the importance of arranging data in order - Arrange data in ascending and descending order - Identify the highest and lowest values in a set of data

15.3. Representing Data Using Tally Marks: - Understand the purpose of tally marks in data representation - Use tally marks to represent data - Interpret and analyze data represented using tally marks

15.4. Representing Data Using Frequency Tables: - Understand the concept of frequency tables - Create a frequency table to represent data - Interpret and analyze data represented using frequency tables

15.5. Representing Data Using Diagrams: - Understand the different types of diagrams used for data representation - Choose an appropriate diagram to represent given data - Create a diagram to represent data accurately

15.6. Representing Data Using Bar Graphs: - Understand the concept of bar graphs - Create a bar graph to represent data - Interpret and analyze data represented using bar graphs

15.7. Bar Graphs Representing Small Quantities: - Understand the characteristics of bar graphs representing small quantities - Create a bar graph to represent small quantities accurately - Interpret and analyze data represented using bar graphs for small quantities

15.8. Bar Graph Representing Large Quantities: - Understand the characteristics of bar graphs representing large quantities - Create a bar graph to represent large quantities accurately - Interpret and analyze data represented using bar graphs for large quantities

15.9. Interpreting Bar Graphs Representing Small Quantities: - Understand how to interpret bar graphs representing small quantities - Extract relevant information from bar graphs - Draw conclusions and make comparisons based on the data presented in bar graphs for small quantities

15.10. Interpreting Bar Graphs Representing Large Quantities: - Understand how to interpret bar graphs representing large quantities - Extract relevant information from bar graphs - Draw conclusions and make comparisons based on the data presented in bar graphs for large quantities