Flashcards in Exam 1 Definitions Part 3 Deck (12):

1

## Arithmetic mean

### The number obtained by adding the values and dividing the total by the number of values

2

## £

### addition

3

## X

### variable

4

## n

### number of data values in a sample

5

## N

### number of data values in a population

6

## X-bar

### Mean of a set sample values

7

## Mu

### Mean of all values in a population

8

## Median

### The middle value when the original data values are arranged in order of increasing magnitude

9

## Mode

### The score that occurs most frequently

10

## Midrange

### The value midway between the highest and lowest values in the original data set

11

## Symmetric

### Data is symmetric if the left half of its histogram is roughly a mirror of its right half

12