**Air Quality Index Analysis**The Air Quality Index (AQI) is a measure used to evaluate particle pollution levels in the air. It provides an understanding of air quality and its possible effects on health:- An AQI between 0 and 50 is considered "good."- An AQI between 51 and 100 is deemed "moderate."- An AQI above 100 is considered "unhealthy" for sensitive groups and the general populace.A recent sample of AQI data from Pomona in Southern California yielded the following values:- 50, 52, 59, 56, 58**Objective:** Determine the sample mean, sample variance, and sample standard deviation from this dataset.(Note: The original text did not include any graphs or diagrams.)

A recent sample data of air quality index values are following: 50 52 59 56 58 The following…

Answered: Air Quality Index is a way to measure…

ENGR.ECONOMIC ANALYSIS

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ISBN:9780190931919

Author:NEWNAN

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Chapter1: Making Economics Decisions

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**Air Quality Index Analysis**

The Air Quality Index (AQI) is a measure used to evaluate particle pollution levels in the air. It provides an understanding of air quality and its possible effects on health:

- An AQI between 0 and 50 is considered "good."
- An AQI between 51 and 100 is deemed "moderate."
- An AQI above 100 is considered "unhealthy" for sensitive groups and the general populace.

A recent sample of AQI data from Pomona in Southern California yielded the following values:

- 50, 52, 59, 56, 58

**Objective:** Determine the sample mean, sample variance, and sample standard deviation from this dataset.

(Note: The original text did not include any graphs or diagrams.)

Expert Solution

Step 1

A recent sample data of air quality index values are following:

The following formulas are needed to measure the following:

$M e a n (\bar{X}) = \frac{{\sum X_{i}}_{i = 1}^{n}}{n} V a r i a n c e (s^{2}) = \frac{\sum {(X - μ)}^{2}}{n - 1} S . D (s) = \sqrt{\frac{\sum {(X - μ)}^{2}}{n - 1}}$

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