I for a Contingency Table, the Expected Frequency for a Cell

question 17

Multiple Choice

i. For a contingency table, the expected frequency for a cell is found by dividing the row total by the grand total. ii. The claim that "male and female University of Toledo students prefer different parking lots on campus" is an example of a chi-square null hypothesis.
iii. For contingency table analysis using the chi-square test, multiplying the number of rows minus 1 by the number of columns minus 1 will give you the degrees of freedom.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (iii) is a correct statement but not (i) or (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Accommodation

In psychology, the process of adjusting one's cognitive structures to fit new information; in optics, the adjustment of the eye's lens to focus on objects at various distances.

Existing Schemas

Preexisting mental structures or frameworks that help individuals organize and interpret information.

Developmental Changes

The transformation or evolution of physical, cognitive, psychological, and social capabilities and functioning over the course of a person's lifetime.

Sensorimotor Stage

A stage in Piaget's theory of cognitive development, occurring from birth to about 2 years of age, where infants learn about the world through their senses and motor actions.