A Sample of 350 Students Was Selected and Each Was

question 183

Multiple Choice

A sample of 350 students was selected and each was asked the make of their automobile (foreign or domestic) and their year in college (freshman, sophomore, junior, or senior) . The results are shown in the table below. Given that you know the selected student is in the senior class, find the probability they drive a domestic automobile.

• A) 25/35
• B) 10/35
• C) 15/350
• D) 15/205

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Definitions:

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or a system without violating any constraint.

F Table

A chart used in statistics that provides critical values for the F-distribution, helpful in analyzing variances by comparing the ratio of two sets of data.

Degrees Of Freedom

The number of independent values in a statistical calculation that can vary without violating the calculation's constraints.

F Distribution

A probability distribution used in analysis of variance (ANOVA), particularly in the context of comparing variances across different groups.