Sampling Techniques

Mrs. Trahan samples her class by selecting 5 girls and 7 boys.  This type of sampling is called?

• Stratified
• Systematic
• Simple Random

• Cluster

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

• Simple Random

• Systematic
• Stratified
• Cluster

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

• Systematic
• Simple Random

• Stratified
• Cluster

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.  

• Simple Random

• Stratified
• Cluster
• Systematic

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.

• Simple Random

• Stratified
• Cluster
• Systematic

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

• exactly the same as
• nothing like
• representative of
• larger than

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

When one examines the entire population instead of a subgroup of the population, this is called a ____________.

• Sampling
• Census
• Bias

If every individual in a population has the same chance of being included in a sample, the sample is a(n) _________ sample.

• Biased Sample
• Convenience Sample
• Random Sample
• Stratified Sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

To find out what the preferred ice cream flavor is, wait outside an ice cream parlor and ask every 4th person leaving the store to name his or her favorite flavor until you get 25 responses is an example of...

• Convenience Sample
• Simple Random Sample
• Stratified Random Sample
• Systematic Sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

To study the amount of time students spend doing homework each day, use a random number generator to select 25 students from the student enrollment database to survey.

• Convenience Sample
• Simple Random Sample
• Stratified Random Sample
• Interval Sample

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.MD.B.6