MA19.8A.42

Mathematics (2019) Grade(s): 8 - Grade 8 Accelerated

MA19.8A.42
Design and carry out an investigation to determine whether there appears to be an association between two categorical variables, and write a persuasive argument based on the results of the investigation. [Algebra I with Probability, 33]

Unpacked Content

Knowledge

Students know:

Techniques for collecting and analyzing data.
Mathematical vocabulary related to associations (positive, negative, no, linear, non-linear)

Skills

Students are able to:

Accurately display data.
Accurately analyze the data for associations.
Write persuasive arguments based on the data analysis.

Understanding

Students understand that:

Making and defending informed, data-based decisions is a characteristic of a quantitatively literate person.

Vocabulary

Investigation
Categorical variables
Persuasive argument

COS Examples

Example: Investigate whether there appears to be an association between successfully completing a task in a given length of time and listening to music while attempting to complete the task. Randomly assign some students to listen to music while attempting to complete the task and others to complete the task without listening to music. Discuss whether students should listen to music while studying, based on that analysis.

MA19.8A.42 Design and carry out an investigation to determine whether there appears to be an association between two categorical variables, and write a persuasive argument based on the results of the investigation. [Algebra I with Probability, 33]