Front

What is a Prospective Study?

Back

A research design that follows participants forward in time to observe outcomes, often used to study the effects of risk factors on health.

Front

Define Outlier in a data set.

Back

An outlier is a data point that differs significantly from other observations, potentially indicating variability in the measurement or a different underlying process.

Front

What does the slope of the line of best fit (m) represent?

Back

The slope (m) represents the rate of change of the dependent variable with respect to the independent variable in a linear relationship.

Tags

CCSS.8.EE.B.5

Front

What is Conditional Distribution?

Back

Conditional distribution refers to the distribution of a subset of data given a specific condition or criteria.

Tags

CCSS.8.SP.A.4

Front

Explain Skewness in a graph.

Back

Skewness indicates the asymmetry of the distribution of values in a dataset; right skewed means a longer tail on the right, while left skewed means a longer tail on the left.

Front

What is a Randomized Experiment?

Back

A study design where participants are randomly assigned to different groups to test the effects of a variable, minimizing bias.

Front

Define Retrospective Study.

Back

A research design that looks back at data collected in the past to find correlations or outcomes related to certain variables.

Front

What is the purpose of a Survey in research?

Back

Surveys are used to collect data from a predefined group of respondents to gain insights into opinions, behaviors, or characteristics.

Front

What does Correlation (r) measure?

Back

Correlation (r) measures the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Tags

CCSS.HSS.ID.B.5

Front

What happens to the correlation (r) when an outlier is removed?

Back

Removing an outlier can increase the correlation (r) if the outlier was negatively affecting the relationship between the variables.