Front

What is the main difference between surveys and experiments?

Back

Surveys collect data through questionnaires or interviews to understand opinions or behaviors, while experiments manipulate variables to determine cause-and-effect relationships.

Front

Define 'Observational Study'.

Back

An observational study is a type of research where the researcher observes and records behavior without manipulating any variables.

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7

Front

Define 'Experimental Study'.

Back

An experimental study is a type of research where the researcher manipulates one or more variables to observe the effect on another variable.

Front

What is a 'Population' in research?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a 'Sample' in research?

Back

A sample is a subset of the population selected for observation and analysis.

Front

What is 'Random Sampling'?

Back

Random sampling is a technique where each member of the population has an equal chance of being selected for the sample.

Tags

CCSS.HSS.IC.B.3

Front

What is 'Cluster Sampling'?

Back

Cluster sampling is a sampling technique where the population is divided into clusters, and entire clusters are randomly selected.

Tags

CCSS.HSS.IC.B.3

Front

What is 'Stratified Sampling'?

Back

Stratified sampling is a technique where the population is divided into subgroups (strata) and random samples are taken from each stratum.

Tags

CCSS.HSS.IC.B.3

Front

What is 'Interquartile Range (IQR)'?

Back

The interquartile range (IQR) is a measure of statistical dispersion, calculated as the difference between the third quartile (Q3) and the first quartile (Q1).

Tags

CCSS.6.SP.B.5C

Front

What does a Boxplot represent?

Back

A boxplot visually represents the distribution of a dataset, showing the median, quartiles, and potential outliers.

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1