Chapter 1

Question 1

Statistics

Answer 1

Science concerned with data collection organization presentation summarization and generalization

Question 2

Branches of statistics

Answer 2

Descriptive - data collection to summarization
Inferential - making conclusion about population

Question 3

Population

Answer 3

Complete set of elements being studied

Question 4

Sample

Answer 4

Subset of population

Question 5

Census

Answer 5

Collecting information from population

Question 6

Survey

Answer 6

Collecting information from sample

Question 7

Surveillance

Answer 7

Ongoing data collection

Question 8

Parameter

Answer 8

Single numerical value that describes a population

Question 9

Statistic

Answer 9

Single numerical value obtained from a sample

Question 10

Data

Answer 10

Any observation that has been collected

Classification
Constant
Variable

Question 11

Types of variable data

Answer 11

Qualitative
Quantitative

Question 12

Quantitative divided into

Answer 12

Discrete as whole number
Continuous as decimal

Question 13

Scales of measurement

Answer 13

Nominal categories describing only names

Ordinal can be ordered

Interval don’t have true zero value

Ratio have true zero value