Flashcards in Chapter 3 Deck (33):

1

## A____ is a characteristic or measure obtained by using the data values from a sample.

### Statistics

2

## A statistic is a characteristic or measure obtained by using the_____.

### data values from a sample

3

##
A____ is a characteristic or measure obtained by using all the data values from a specific population.

### Parameter

4

##
A parameter is a characteristic or measure obtained by using all the_____.

### data values from a specific population.

5

## The____, also known as the arithmetic average, is found by adding the values of the data and dividing by the total number of values.

### Mean

6

## The mean, also known as the arithmetic average, is found by_____.

### adding the values of the data and dividing by the total number of values.

7

## The____ denoted by m (pronounced “mew”), is calculated by using all the values in the population.

### population mean

8

## The____is parameter

### population mean

9

## ____ letters are used to denote parameters,

### Greek

10

##
____letters are used to

denote statistics

### Roman

11

## What is the symbol for median?

### MD

12

## The____is the midpoint of any data

### Median

13

## The median is the___of any data

### Midpoint

14

## The third average is called___.

### Mode

15

## What occurs the most in a data set?

### Mode

16

## A data set that has only one value that occurs with the greatest frequency is said to be____.

### Unimodal

17

## Unimodal is?

### One value and great frequency

18

## Bimodal

### 2 value great frequency

19

## Multimodal

### More than 2 value and great frequency

20

## The____ is a rough estimate of the middle

### Midrange

21

## The midrange is found by?

### Adding the lowest and highest values and divide by two.

22

## Mean

### Sum of values, divided by total number of values

23

## Median

### Middle point in data set that has been ordered

24

## Mode

### Most frequent data value

25

## What is used to find out if the class is divided into upper or lower levels

### Median

26

## What is used for open end distribution

### Median

27

## What is the easiest to calculate

### Mode

28

## What is used for nominal or categorial?

### Mode

29

## Can data have more than one mode?

### Yes

30

## ____, the majority of the data values fall to the left of the mean and cluster at the lower end of the distribution; the “tail” is to the right.

### Positive Skewed or Right Skewed

31

## In a_____, the data values are evenly distributed on both sides of the mean.

### Symmetric distribution

32

## The____is the highest value minus the lowest value. The symbol R is used for the range.

### Range

33