Statistical study

What is a population?

• A tool used to collect statistical data

• Statistics collected from an entire population

• All the people or objects on which data is collected

• A group chosen from a population

What is statistics?

• The science of collecting and analysing data

• Statistics collected from an entire population

• An element or feature that can vary

• A group chosen from a population

What is a sample?

• A tool used to collect statistical data

• Statistics collected from an entire population

• The factual information collected from a survey or other source

• A subgroup chosen from a population

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

Questioning students as they leave a university library, a researcher asks 358 students about their drinking habits.

This is what type of sample?

• cluster

• convenience

• systematic

• stratified

Tags

CCSS.RL.11-12.6

Chosen at random, 580 customers at a car dealership are contacted and asked their opinions of the service they received.
This is what type of sample?

• convenience
• stratified
• simple random sample
• cluster

Tags

CCSS.L.11-12.6

CCSS.L.8.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.9-10.2D

A teacher wants to know the average time spent doing homework by the students in her class of 20 girls and 5 boys, so she randomly selects five students from the class to survey, paying no attention to their gender.
This is a form of:

• Cluster Sampling
• Systematic Sampling
• Stratified Sampling
• Simple Random Sampling

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

A poll about favorite sports is taken from 100 seniors in a high school where the senior class has 575 students. 23% of respondents said that baseball was their favorite sport.
The "575" is the ______

• Sample Size
• Population Size
• Statistic
• Parameter

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

The numbers, or the number of times that people do something.

• Quantitative Data

• Qualitative Data

• External Validity

• Internal Validity

The specific content of what people think or feel.

• Quantitative Data

• Qualitative Data

• External Validity

• Internal Validity

Another name for categorical data is __________.

• qualitative data

• quantitative data

Tags

CCSS.HSS.ID.B.5