If X and Y Are Categorical Variables, One Way to Identify

question 17

Multiple Choice

If X and Y are categorical variables, one way to identify whether there is a relationship between them is to:

• A)calculate the correlation between X and Y.
• B)draw a scatterplot of the X and Y values.
• C)make a two-way table of the X and Y values.
• D)All of the answer options are correct.

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Definitions:

Ulnar Grasp

A developmental milestone in infants around 4 to 6 months of age, exhibiting a clumsy motion of reaching and grabbing objects using the whole hand, specifically utilizing the fingers and the ulnar side.

Myelination

The process of coating the axons of neurons with a fatty layer called myelin, which speeds up the transmission of neural signals.

Cerebellum

A region of the brain that plays a key role in motor control, coordination, precision, and accurate timing of movements, also involved in some cognitive functions.

Fetus

A developing mammal or human from the end of the embryonic period (in humans, approximately 8 weeks after conception) until birth.