Test 1

Question 1

Frame

Answer 1

A complete listing of all elementary units

Question 2

Parameter

Answer 2

Usually Greek letters - A number that describes a characteristic of the population “ The Truth”

Question 3

Sample

Answer 3

Any chosen subset of a population

Question 4

Simple Random Sample

Answer 4

A sample chosen in such a way that each elementary unit has an equal chance of being included

Question 5

Statistic

Answer 5

A numeric measure from sample information of some characteristic of interest in a population

Question 6

Random Variable

Answer 6

Any variable that takes on numeric values on the basis of chance

Question 7

Inferential Statistics

Answer 7

Inferring the values of population parameters form the sample statistics

Question 8

Unbiased Estimator

Answer 8

The expected value of the estimator equals the true value of the parameter being estimated

Question 9

Sampling distribution

Answer 9

A listing of all possible values of a sample statistic along with the associated probabilities of their occurrence

Question 10

Sampling Error

Answer 10

The difference between the sample statistic and the true parameter.

Question 11

Statistics (Plural)

Answer 11

A Set of data

Question 12

Statistics (Singular)

Answer 12

A science a quantitative discipline concerned with the methods of collection and analysis of data to facilitate wise decisions making in the face of uncertainty

Question 13

Elementary units

Answer 13

persons or objects comprising a population of interest

Question 14

population

Answer 14

all elementary units of a defined group

Question 15

Census

Answer 15

An exhaustive survey on some characteristic of interest of every elementary unit in a population.