Summer Vocab

Question 1

what is statistics?

Answer 1

the study of variability

Question 2

what is variability?

Answer 2

how things differ

Question 3

what are the 2 branches of AP stats?

Answer 3

inferential and descriptive

Question 4

what are descriptive stats?

Answer 4

a description of the data you have collected

Question 5

what are inferential stats?

Answer 5

Inferences made about an entire population using data from a small sample

Question 6

compare descriptive and inferential stats

Answer 6

descriptive data is a description of the data collected and inferential data is an inference made about a larger sample based off of the data collected

Question 7

what is data?

Answer 7

any collected information

Question 8

what is a population?

Answer 8

the group you’re interested in

Question 9

what is a sample?

Answer 9

a subset of a population, taken to make inferences about the population

Question 10

compare population to sample

Answer 10

populations are large, and samples are small groups of the population. we take samples to make inferences

Question 11

what do we use to estimate parameters?

Answer 11

statistics

Question 12

compare data to statistics

Answer 12

statistics are summary of data

Question 13

what is a parameter?

Answer 13

a numerical summary of a population…mean, median, range of a population. the mean data from each member of a population is a parameter

Question 14

what is a statistic?

Answer 14

a numerical summary of a sample. mean, median, range of a sample

Question 15

compare DATA-STATISTIC - PARAMETER using categorial example

Answer 15

data is the individual measures, statistic and parameter is an assumption based off of data

Question 16

what is a census?

Answer 16

a collection of information from every member of the population

Question 17

does a census make sense?

Answer 17

it is okay for small populations, like a classroom, but not bigger groups of people

Question 18

what is the difference between a parameter and a statistic?

Answer 18

statistics come from statistics and parameters come from statistics

Question 19

one piece of individual data is called a ?

Answer 19

datum

Question 20

the average of a group of data is called a ?

Answer 20

statistic

Question 21

what is the difference between a sample and a census?

Answer 21

a sample is information from a small part of the population, a census is info from the entire population. you can get a parameter from a census, but you can only get a statistic from a sample

Question 22

use the following words in a sentence: population, parameter, census, sample, data, statistics, inference, population parameter

Answer 22

i was curious about a population parameter, but the census would take too long. so i took a sample from my school and collected data. i used the data to