JN - Statistical Studies and Sampling Methods.

What is the main purpose of a statistical study?

• To express opinions

• To predict future events

• To understand and interpret data

• To manipulate data for desired outcomes

Tags

CCSS.HSS.IC.B.3

What is a sample in the context of statistical studies?

• A full set of data about every member of the population

• A small group selected from the population

• The process of collecting data

• The outcome of an experiment

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Which of the following sampling methods ensures every individual in the population has an equal chance of being selected?

• Convenience sampling

• Quota sampling

• Random sampling

• Stratified sampling

Tags

CCSS.HSS.IC.B.3

What is bias in the context of statistical studies?

• The process of selecting a sample

• A mistake in data collection

• An unfair representation of the population

• The use of statistics to support a claim

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Why is it important to have a representative sample in a statistical study?

• To ensure the study is completed quickly

• To reduce the cost of the study

• To accurately reflect the characteristics of the population

• To make the study easier to conduct

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is stratified sampling?

• Dividing the population into groups and selecting a sample from each group

• Selecting a sample based on convenience

• Choosing a sample at random from the population

• Selecting a sample that volunteers

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

In which type of sampling method are participants selected based on their availability?

• Random sampling

• Stratified sampling

• Cluster sampling

• Convenience sampling

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What is the primary disadvantage of using a convenience sample?

• It is too time-consuming

• It is too expensive

• It may not accurately represent the population

• It requires advanced statistical methods

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

What does the term "population" refer to in statistical studies?

• The entire group of individuals that the study is interested in

• The group of individuals who participate in the study

• The sample selected for the study

• The researchers conducting the study

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Why might a researcher use a quota sampling method?

• To ensure the sample reflects certain characteristics of the population

• To make the sampling process easier and quicker

• To guarantee that every member of the population has an equal chance of being selected

• To avoid the need for a list of the entire population

Tags

CCSS.HSS.IC.B.3