Exam 1 Definitions Part 3 Flashcards Preview

Biostatistic > Exam 1 Definitions Part 3 > Flashcards

Flashcards in Exam 1 Definitions Part 3 Deck (12)
Loading flashcards...
1
Q

Arithmetic mean

A

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

2
Q

£

A

addition

3
Q

X

A

variable

4
Q

n

A

number of data values in a sample

5
Q

N

A

number of data values in a population

6
Q

X-bar

A

Mean of a set sample values

7
Q

Mu

A

Mean of all values in a population

8
Q

Median

A

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

9
Q

Mode

A

The score that occurs most frequently

10
Q

Midrange

A

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

11
Q

Symmetric

A

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

12
Q

Skewed

A

Data is skewed if it is not symmetric and if it extends more to one side than the other