TABLE 4-8 According to the Record of the Registrar's Office at a at a State

question 132

Short Answer

TABLE 4-8
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen, sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively, 80%, 60%, 30% and 20%.
-Referring to Table 4-8, determine whether the class status of a student and whether the student lives in a dormitory are statistically independent.

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Definitions:

APC

The fraction of income that is spent on consuming goods and services is known as the Average Propensity to Consume.

APS

Stands for Aggregate Planning Strategies, techniques used in business to match supply and demand by adjusting production rates, labor levels, and inventory.

MPC

The marginal propensity to consume, which is the proportion of any additional income that is spent on consumption rather than being saved.

MPS

Marginal Propensity to Save, which measures the proportion of additional income that households save rather than spend on consumption.