Statistics Test 1

Question 1

A statistic

Answer 1

a numerical summary of a sample

Question 2

Descriptive Statistics

Answer 2

organize and summarize data through tables, graphs, and numerical summaries

Question 3

Statistics

Answer 3

the science of collecting, organizing, summarizing, and analyzing information to draw conclusions or answer questions. It’s also about providing a measure of confidence in any conclusions

Question 4

Sample

Answer 4

a subset of the group of individuals that is being studied

Question 5

Inferential statistics

Answer 5

uses methods that take results from a sample and extends them to the population, and measures the reliability of the result

Question 6

Individual

Answer 6

a person or object that is a member of the group being studied

Question 7

Parameter

Answer 7

a numerical summary of a population

Question 8

Population

Answer 8

the entire group of individuals to be studied

Question 9

Quantitative variable

Answer 9

provide numerical measures of individuals, measures can be added or subtracted, and provide meaningful results

Question 10

Qualitative variable

Answer 10

allow for classification of individuals based on some attribute or characteristic

Question 11

Variable

Answer 11

the characteristics of the individuals within the population

Question 12

Data

Answer 12

information that describes characteristics of an individual

Question 13

Discrete variable

Answer 13

has either finite number of possible values or countable number of possible values, the values of these variables typically result from counting

Question 14

Continuous variable

Answer 14

has an infinite number of possible values that aren’t countable, the values of these variables typically result from measurement

Question 15

Parameter

Answer 15

a numerical summary of a population, which is an entire group to be studied