The Partially Completed Contingency Table Below Shows "Observed" Frequencies in a Sample

question 136

Multiple Choice

The partially completed contingency table below shows "observed" frequencies in a sample of size 200: Fill in the table below with the "expected" cell frequencies if Factor X and Factor Y are independent.
Report the value of the chi-square statistic that would be produced if we were to use the information in the tables to test the null hypothesis that the two factors shown are independent.

• A)2.48
• B)6.33
• C)25.40
• D)14.47

---

Definitions:

Goldenrod Spiders

A type of spider known for its camouflage and predation tactics, often found on goldenrod plants.

Milkweeds

A group of plants known for their milky sap, serving as the primary food source for monarch butterfly larvae.

Monarch Caterpillars

Caterpillars of the Monarch butterfly, known for their striking striped patterns and feeding on milkweed plants.

Distance Effect

A phenomenon in psychology where the distance between stimuli affects response time; in cognitive tasks, greater distances usually lead to faster responses.