For what fraction of the simulated results is the difference in the precipitation rates for weekdays and weekends less than the observed difference -0.065 or more than 0.065? Give your answer to 3 decimal places.
For what fraction of the simulated results is the difference in the precipitation rates for weekdays and weekends less than the observed difference -0.065 or more than 0.065? Give your answer to 3 decimal places.
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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### Analyzing Simulated Results of Precipitation Rates:
When comparing the precipitation rates for weekdays and weekends, it is essential to understand the distribution of differences between these rates through simulations. Below is a detailed analysis using a histogram to represent these simulated differences.
#### Histogram Explanation:
- **Title:** Shuffled Difference in Proportions
- **Axes:**
- **Y-Axis:** Count, representing the number of simulations that result in each specific shuffled difference in proportions.
- **X-Axis:** Shuffled Difference in Proportions, which shows the range of differences between the weekday and weekend precipitation rates.
- **Bars:**
- The histogram is primarily composed of gray bars, indicating the frequency of various shuffled differences resulting from the simulations.
- Red bars mark the counts that are beyond the observed difference levels (-0.065 and beyond). These are the areas of interest for our statistical analysis.
#### Observed Difference:
- **Observed Difference Value:** -0.065 - This is the specific value of interest, which compares the actual collected data of precipitation rates for weekdays and weekends with the simulated data.
- **Simulation Count:** Out of 1000 simulations, 126 had a difference less than -0.065 or more than 0.065.
#### Fraction of Simulated Results:
The key question we are investigating:
- **Question:** For what fraction of the simulated results is the difference in the precipitation rates for weekdays and weekends less than the observed difference (-0.065) or more than 0.065? Provide the answer to three decimal places.
**Given Calculation:**
-**Fraction:** 126/1000 = **0.126**
#### Submission Box:
- **Prompt:** "Your Answer:"
- **Expected Input:** Numerical fraction to three decimal places.
By analyzing these results, students will understand how to interpret histograms and comprehend their significance in evaluating real-world data through simulations.
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In your educational journey, understanding these statistical methods and their applications helps build a robust foundation in data analysis and critical thinking.
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