
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Transcribed Image Text:**Educational Content: Normal Distribution and Percentiles**
In a survey of women in a certain country (ages 20–29), the mean height was 62.8 inches with a standard deviation of 2.92 inches. Answer the following questions about the specified normal distribution.
**Questions:**
(a) What height represents the 95th percentile?
(b) What height represents the first quartile?
- **Click to view page 1 of the table. Click to view page 2 of the table.**
**Answers:**
(a) The height that represents the 95th percentile is _____ inches.
(Round to two decimal places as needed.)
(b) The height that represents the first quartile is _____ inches.
(Round to two decimal places as needed.)
**Instructions:**
Enter your answer in each of the answer boxes.
---
**Note:**
Understanding percentiles in a normal distribution helps in determining how a particular measurement compares to the rest of the population. The 95th percentile indicates that 95% of the data falls below that value, while the first quartile indicates the point below which 25% of the data falls. Use the provided links to access tables that may assist in deriving these values through standard normal distribution (Z-scores) calculations.
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