Probs and Stats- Test 1

Question 1

Mean

Answer 1

All numbers in a data set added up then divided by how many numbers there are

Question 2

Median

Answer 2

Middle number of the data set

Question 3

Mode

Answer 3

Most common number (number repeated most often)

Question 4

Midrange

Answer 4

value between biggest and smallest value

Question 5

Midrange Formula

Answer 5

Max Value + Min Value
________________________
2

Question 6

What’s a parameter

Answer 6

Numerical value of the population

Question 7

Statistic

Answer 7

Measurement of sample

Question 8

M (mew)

Answer 8

Population mean

Question 9

_
X

Answer 9

Sample mean

Question 10

Normal data

Answer 10

Naming

Question 11

Ordinal data

Answer 11

Categorized and ranked (pain chart)

Question 12

Interval data

Answer 12

Order without a start (temp) [quantitative]

Question 13

Symbol for sample standard of deviation

Answer 13

s

Question 14

Symbol for sample size

Answer 14

n

Question 15

Symbol for population standard of deviation

Answer 15

Ó

Question 16

Measuring is _________

Answer 16

Continuous (quantitative/any value/continuous series)

Question 17

Counting is ________

Answer 17

Discrete (specific, gaps between values)

Question 18

Ratio data

Answer 18

Natural 0 (height)

Question 19

Random Sampling

Answer 19

Everyone has a chance of being chosen

Question 20

Systematic Sampling

Answer 20

Every nth element in population selected from starting point

Question 21

Stratified Sampling

Answer 21

Population divided into at least 2 groups that share characteristics, sample drawn from each subgroup

Question 22

Cluster Sampling

Answer 22

Population divided into clusters; clusters are randomly selected; EVERYONE from chosen clusters are selected