Stats

Question 1

Statistics

Answer 1

The study of variability

Question 2

Variability

Answer 2

How things differ, differences

Question 3

2 branches of AP STATS

Answer 3

Inferential and descriptive

Question 4

Descriptive stats

Answer 4

Describing the data collected by using summaries or pictures

Question 5

Inferential stats

Answer 5

Using your data to look at the big picture (population)

Question 6

Compare descriptive and inferential

Answer 6

Descriptive tells you what kind of data you have and inferential is is data is

Question 7

Data

Answer 7

Any collected information

Question 8

Population

Answer 8

The group you’re interested in

Question 9

Sample

Answer 9

A subset of the population, taken to make inferences of the population

Question 10

Compare populations to sample

Answer 10

Populations are large and samples most of the time come from populations but smaller

Question 11

Compare data to statistics

Answer 11

Data is the information collected from different subjects and statistic is data from each subject

Question 12

Parameter

Answer 12

A numerical summary of a population

Question 13

Cenus

Answer 13

Like a sample of the entire population, getting a sample from each population

Question 14

Does a cenus make sense

Answer 14

Can’t get get a cenus from a large population

Question 15

Count 9 pickles in a hamburger what are the 9 pickles called

Answer 15

Datum or data value

Question 16

If I count pickles on a bunch of hamburgers an the average is 9.5.. what are the pickles called

Answer 16

Statistic

Question 17

The true average number in data

Answer 17

Parameter

Question 18

Difference between a sample and cenus

Answer 18

Sample is data from a small population and a cenus is data from larger population’s

Question 19

Difference between discrete and continuous variables

Answer 19

Like cards sold and weight of a mouse

Question 20

Frequency

Answer 20

How often something comes up

Question 21

Frequency distribution

Answer 21

Table or chart that show how often values occur in a data set

Question 22

Relative frequency

Answer 22

The percent of time something comes up ( frequency/total)

Question 23

Cumulative frequency

Answer 23

Adding up the frequency as you go