Answered: The Bureau of Labor Statistif (BLS)…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The Bureau of Labor Statistif (BLS) records data on variables related to the U.S. economy, including the number of
unemployed people during each year. The tollowing dot plot displays the annual numbers of unemployed people between
1983 and 1993 as reported by the BLS. Each value is reported in units of millions of people.

From the above dot plot, find the median of the annual number of unemployed people in the U.S. between 1983 and 1993 in
millions of people.

**Title: Understanding Unemployment Trends: A Data Analysis**

The Bureau of Labor Statistics (BLS) records data on variables related to the U.S. economy, including the number of unemployed people during each year. The following dot plot displays the annual numbers of unemployed people between 1983 and 1993 as reported by the BLS. Each value is reported in units of millions of people.

**Dot Plot Explanation:**

The dot plot shows the number of unemployed people (in millions) on the x-axis, ranging from approximately 6 to 12 million. Each dot represents a year's data point for unemployment during the specified period (1983-1993).

**Task:**

From the above dot plot, find the median of the annual number of unemployed people in the U.S. between 1983 and 1993 in millions of people.

**Solution Box:**

- **Median** = ______ million people

This graph provides a visual representation of unemployment trends over the specified decade, allowing for analysis of patterns and the calculation of median values for deeper economic understanding.

Definition Definition Middle value of a data set. The median divides a data set into two halves, and it also called the 50th percentile. The median is much less affected by outliers and skewed data than the mean. If the number of elements in a dataset is odd, then the middlemost element of the data arranged in ascending or descending order is the median. If the number of elements in the dataset is even, the average of the two central elements of the arranged data is the median of the set. For example, if a dataset has five items—12, 13, 21, 27, 31—the median is the third item in ascending order, or 21. If a dataset has six items—12, 13, 21, 27, 31, 33—the median is the average of the third (21) and fourth (27) items. It is calculated as follows: (21 + 27) / 2 = 24.

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