# NC Computer Apps I, 4.02 Course Notes

## 22 terms

### Graph

is a pictorial representation of data

### Chart

is an enhancement of a graph that includes labels, legend information, titles, and color and adds meaning to the graph

### y-axis

is the left vertical side of the graph

### x-axis

is the bottom horizontal side of the graph

### Data markers

are used in a graph to indicate data values.

### data series

is a collection of related values, such as one row or column from a spreadsheet.

### Gridline

is a horizontal or vertical line that extends across the plot area of the graph for the purpose of adding clarification to the data.

### plot area

is the background portion of a graph. It is the area bound by the values (y) and categories (x) axes.

### tick mark

is used in a graph to clarify data categories or values.

### Legend

is an object that explains the symbols, colors, or patterns used to differentiate the data.

### data label

is a single value or text explanation used to explain the data in a series.

### chart title

is the main heading, which describes the purpose and content.

### x-axis title

describes the horizontal data.

### y-axis title

describes the vertical data.

### embedded chart

is one that appears on the same sheet as the spreadsheet it represents; otherwise, it is referred to as a separate chart

is one that will reflect changes made to the spreadsheet it represents.

### column chart

is used to make comparisons and generalizations about groups of data, such as to compare the number of students from each class

### stacked bar chart

is used to represent the sum of more than one value and compare the contribution of individuals to the whole, such as the total sales for three components to the whole sales for a store.

### line chart

is used to show trends or changes in data over time, such as growth in sales over several quarters.

### XY scatter chart

is used to show the correlation of two or more data sets, such as the correlation between stress rates and wait time in a doctor's office.

### pie chart

is used to represent the contribution of each component of one series of data to the whole, such as the percentage of expenditures to the total budget

### exploded pie chart

is a pie chart in which the individual components are enhanced.