Stats Quick review

Source of bias in which some groups of populations are LEFT OUT of the selection process

• Response Bias
• Undercoverage
• Convenience Sampling
• Voluntary Response

Tags

CCSS.7.SP.A.1

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

• SRS
• Stratified
• Systematic
• Cluster

Tags

CCSS.HSS.IC.B.3

Each student in the school is given a different number.  A student is randomly selected from the first 25. That student and every 25^th student thereafter are in the sample.  This is what type of sampling design?

• SRS
• Systematic
• Multistage
• Stratitfied

An SRS of 25 students is taken from each grade to form the sample.  This is what type of sampling design?

• Cluster
• SRS
• Stratified
• Multistage

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Marianne wanted to know students' opinion on the new schedule at school. So she randomly selected 2 students from each class during second period. 
This is a form of:

• Convenience Sampling
• Random Sampling
• Stratified Sampling
• Systematic Sampling

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Units of the population are grouped; one or more groups are selected at random.  All units of that group are included in the sample.

• cluster sample
• simple random
• stratified
• proportional

Tags

CCSS.HSS.IC.B.3

The process of gathering information/data from EACH member of the population.

• Census
• Interview
• Survey
• Questionnaire

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Source of bias that occurs when an individual chosen for the sample CAN'T be contacted or refuses to cooperate.

• Response Bias
• Undercoverage
• Nonresponse
• Voluntary Response

Tags

CCSS.RL.11-12.6