Chap 1

Question 1

Facts, especially numerical facts, collected together for reference or information.

Answer 1

Data

Question 2

Knowledge communicated concerning some particular fact.

Answer 2

Information

Question 3

is a tool for creating new understanding from data.

Answer 3

Statistics

Question 4

are methods of organizing, summarizing, and presenting data in a convenient and informative way. These methods include graphical summaries and numerical techniques.

Answer 4

Descriptive Statistics

Question 5

are methods used to make conclusions or inferences concerning some unknown aspect of a population based on data from a sample. Statistical inference is the process of making an estimate, prediction, or decision about a population based on a sample.

Answer 5

Inferential statistics

Question 6

is a collection of all possible individuals, objects, or measurements of interest;

Answer 6

Population

Question 7

is a numerical measurement describing some characteristic of a population.

Answer 7

Parameter

Question 8

is a portion, or part, of the population of interest;

Answer 8

Sample

Question 9

is a numerical measurement describing some characteristic of a sample.

Answer 9

Statistic

Question 10

we collect data from the entire population

Answer 10

Census

Question 11

Collecting, summarizing, and processing data to transform data into information

Answer 11

Descriptive statistics

Question 12

provide the bases for predictions, forecasts, and estimates that are used to transform information into knowledge

Answer 12

Inferential statistics

Question 13

is the collection of all items of interest or under investigation

Answer 13

Population

Question 14

is an observed subset of the population

Answer 14

Sample

Question 15

is a specific characteristic of a population

Answer 15

Parameter

Question 16

is a specific characteristic of a sample

Answer 16

Statistic

Question 17

is a procedure in which

each member of the population is chosen strictly by chance,
each member of the population is equally likely to be chosen,
and
every possible sample of n objects is equally likely to be chosen

Answer 17

Simple random sampling

Question 18

The resulting sample is called a

Answer 18

Random sample