Quiz about Sampling techniques

Question 1

Mrs. Trahan samples her class by selecting every third person on her class list.  Which type of sampling method is this?

Accepted Answer

Systematic

Answer

Simple

Answer

Stratified

Answer

Cluster

Question 2

Mrs. Trahan samples her class by selecting all students sitting at group 1 and group 5 in her classroom.  This sampling technique is called?

Accepted Answer

Cluster

Answer

Simple

Answer

Stratified

Answer

Systematic

Question 3

Mrs. Trahan samples her class by picking 10 numbers from her hat and each number is assigned to a student. This is ______________ random sampling.

Accepted Answer

Simple

Answer

Systematic

Answer

Stratified

Answer

Cluster

Question 4

Farmer Joe separates his apple tree farm into 10 regions.  He counts the number of apples produced in just one of the regions and uses that estimate to predict the number of apples produced on the whole farm.  This is _______ sampling.

Accepted Answer

Cluster

Answer

Simple

Answer

Stratified

Answer

Systematic

Question 5

Farmer Joe's apple tree farm is set up in 100 rows.  He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm.  This is _____________ sampling.

Accepted Answer

Systematic

Answer

Simple

Answer

Stratified

Answer

Cluster

Question 6

Farmer Joe randomly picks 100 trees using a random number generator to estimate the number of apples produced by his apple trees.  This is ______________ sampling.

Accepted Answer

Simple

Answer

Stratified

Answer

Cluster

Answer

Systematic

Question 7

Farmer Joe separates his farm into 10 regions.  He then randomly selected 5 trees from each region to estimate the number of apples produced on his apple tree farm.  This is _____________ sampling.

Accepted Answer

Stratified

Answer

Cluster

Answer

Systematic

Answer

Simple

Question 8

In order to use samples to estimate something from the population, the sample should be _________________ the population.

Accepted Answer

representative of

Answer

exactly the same as

Answer

nothing like

Answer

larger than

Question 9

True or False: all samples lead to a good prediction about an entire population.

Accepted Answer

False

Answer

True

Question 10

Mrs. Boyd wants to find the average height of all her students in her classes. She decides to use the first 5 people who walk in the door. Is this a good representative sample?

Accepted Answer

No

Answer

Yes

Question 11

What type of sampling?  A journalist asks his family how they feel about water pollution.

Accepted Answer

Convenience sample

Answer

Random sample

Answer

Stratified Random sample

Answer

Census

Question 12

This sample consists of units of the population that chose to respond.

Accepted Answer

volunteer

Answer

mandatory

Answer

census

Answer

unbiased

Question 13

Identify the population and sample.

A survey of 1535 American households found that 18% of households do not own a computer.

Accepted Answer

Population: All American households

Sample: 1535 American households

Answer

Population: 1535 American households

Sample: 18% of households

Answer

Population: All American households

Sample: 18% of households

Answer

Population: 1535 American households

Sample: 276 households

Question 14

Identify the population and the sample.

A recent survey of 2625 elementary school children found that 28% of the children could be classified as obese.

Accepted Answer

Population: All elementary school children

Sample: 2625 elementary school children surveyed

Answer

Population: All elementary school children

Sample: 28% of the children

Answer

Population: 2625 elementary school children

Sample: 28% of the children

Answer

Population: 2625 elementary school children

Sample: 735 elementary school children

Question 15

Which of the following sampling techniques involves selecting individuals from a population RANDOMLY?

Accepted Answer

All of the Above

Answer

Simple Random Sample

Answer

Stratified

Answer

Cluster

Answer

Systematic

Question 16

Which sampling technique involves dividing a population into groups, then randomly selecting individuals from each group.

Accepted Answer

Stratified

Answer

Simple Random Sample

Answer

Cluster

Answer

Systematic

Question 17

Which sampling technique involves selecting every nth subject in a population?

Accepted Answer

Systematic

Answer

Simple Random Sample

Answer

Stratified

Answer

Cluster

Sampling techniques

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