Contents Questions and Answers 4 Great Graphs Parts of a Line Graph 8 A Look at Lines 10 O O Predicting and Patterns 12 Gathering Data 14 Get Graphing 16 Place the Points 18 Being Active 20 Emma's Results 22 Learning more and About the Author 23 Glossary Index and Answers 24
Questions and Answers Have you ever had a question you needed or wanted an answer to Some questions can be answered by finding information in books newspapers magazines or on the Internet Sometimes you can find answers if you collect your own information This boy is collecting information from this weather
Collecting Data Data is collected information It can be collected in many forms such as measurements of height or temperature amounts of money or time or a tally Data can be shared in a type of drawing called a graph Graphs use lines colors and pictures to organize data making it easier to understand Carly's sleep hours My sleep hours 12 Night of the Week Hours Slept 104 Monday 8 Tuesday 10 10 Wednesday Thursday 3 Friday Saturday 10 Sunday Mon Tue Wed Thu Fri Sat Sun Night of the week H Carly recorded how much sleep she got each night for a week on this table Carly then used the data recorded on the table to create this
