# statistics - distribution graphs

## 11 terms

### no more than 10 class intervals

Rules for grouped frequency distribution tables: 1) _______, 2) width of the interval should be a simple number (usually 5 or 10), 3) bottom score should be a multiple of the width, 4) all intervals should be the same width.

### width of the interval should be a simple number (usually 5 or 10)

Rules for grouped frequency distribution tables: 1) no more than 10 class intervals, 2) _______, 3) bottom score should be a multiple of the width, 4) all intervals should be the same width.

### bottom score should be a multiple of the width

Rules for grouped frequency distribution tables: 1) no more than 10 class intervals, 2) width of the interval should be a simple number (usually 5 or 10), 3) _______, 4) all intervals should be the same width.

### all intervals should be the same width

Rules for grouped frequency distribution tables: 1) no more than 10 class intervals, 2) width of the interval should be a simple number (usually 5 or 10), 3) bottom score should be a multiple of the width, 4) _______.

### x-axis (abscissa)

On which line of a frequency distribution graph is the variable of interest shown?

### y-axis (ordinate)

On which line of a frequency distribution graph is the frequency shown?

### histograms, polygons

Name two types of frequency distribution graphs.

### bar graph

Type of histogram with spaces between bars.

### bar graph (type of histogram)

Type of graphs used for nominal data.

### no numbers on y-axis

What is different about graphs for relative frequencies?

### skew, symmetry

Two main characteristics used to describe curves