# 4th grade Unit 13 Math - Data Analysis

## 14 terms

### data

information collected about people or things

### tally

a mark used to show how often something happens

### pictograph

a graph that uses pictures to show data

### survey

a method of gathering data by asking questions

### frequency

the number of times a response occurs

### interval

the distance between two numbers on the scale of a graph

### scale

a series of numbers placed at fixed distances on a graph to help label the graph

### bar graph

a way to show information that uses bars to represent data

### double bar graph

a graph used to compare two related sets of data

### line graph

a graph used to show how data changes over time that uses a line connecting dots to represent data

### trends

areas in which data increase, decrease, or stay the same over time

### graphical features

the graphical form, structure, or appearance

### graphical tendencies

the direction, form, or type of graphic

### duplication

the act or process of repeating information