# Corsa Chapter 1 Vocabulary

### 17 terms by lcorsa

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### mean

a measure of central tendency often referred to as average

### division

the inverse operation of multiplication

### equal

having the same value

### equation

a mathematical sentence relating two mathematical expressions with an equal sign

### fraction

a number expressed in the form a/b where a and b are whole numbers

### integers

the set of numbers

### measure of central tendency

mean, median, mode

### median

the middle number of a set of data.

### mode

the number or numbers that show up the most in a set of data

### negative numbers

numbers that are less than 0

### number line

a diagram representing all real numbers as points on a line

### numberical order

to write numbers from smallest to largest

### range

the difference between the least and greatest pieces of data

### scale

an arrangement of numbers in uniform intervals

### solution

any value for a variable that makes an equation true

### stem and leaf plot

a frequency distribution made by arranging the data

### variable

a symbol or letter that stands for a number

Example: