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Chapter 2: Problem 12

Tuition The distribution of in-state annual tuition for all colleges and universities in the United States is bimodal. What is one possible reason for this bimodality?

Short Answer

Expert verified
One possible reason for the bimodality in the distribution of in-state annual tuition for all colleges and universities in the U.S. could be the existence of two types of institutions (public and private) with typically different tuition costs.

Step by step solution

01

Understand the term 'bimodal distribution'

A bimodal distribution is one which has two peaks or modes. This suggests that the data has two different groups.
02

Apply the concept to the given context

In the context of college tuition, bimodality could imply two groups of different types of educational institutions creating two different peaks in the distribution. Each peak represents the most common tuition cost for each group.
03

Provide a possible explanation

One possible reason for this bimodality could be the existence of two distinct groups of colleges and universities: public and private. Public colleges might form one group with a lower tuition cost, causing one peak at the lower end of the tuition range. At the same time, private colleges usually have a higher tuition cost, causing a second peak at the higher end of the range.

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