Listed below are altitudes (thousands of feet) and outside air temperatures (°F) recorded during a flight. Find the (a) explained variation, (b) unexplained variation, and (c) indicated prediction interval. There is sufficient evidence to support a claim of a linear correlation, so it is reasonable to use the regression equation when making predictions. For the prediction interval, use a 95% confidence level with the altitude of 6327 ft (or 6.327 thousand feet). Altitude Temperature 3 6 57 37 15 23 22 2 27 - 27 31 - 41 32 - 57

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Question

10.6

**Altitude and Temperature Analysis**

Listed below are altitudes (in thousands of feet) and outside air temperatures (°F) recorded during a flight. The task is to find:

1. **Explained Variation**
2. **Unexplained Variation**
3. **Indicated Prediction Interval**

There is sufficient evidence to support the claim of a linear correlation. Therefore, it is reasonable to use the regression equation for predictions. For the prediction interval, use a 95% confidence level with an altitude of 6327 feet (or 6.327 thousand feet).

**Data Table:**

- **Altitude (thousands of feet):** 3, 6, 15, 22, 27, 31, 32
- **Temperature (°F):** 57, 37, 23, 2, -27, -41, -57

In this dataset, the relationship between increasing altitude and decreasing temperature can be analyzed using statistical methods to find variations and prediction intervals.
Transcribed Image Text:**Altitude and Temperature Analysis** Listed below are altitudes (in thousands of feet) and outside air temperatures (°F) recorded during a flight. The task is to find: 1. **Explained Variation** 2. **Unexplained Variation** 3. **Indicated Prediction Interval** There is sufficient evidence to support the claim of a linear correlation. Therefore, it is reasonable to use the regression equation for predictions. For the prediction interval, use a 95% confidence level with an altitude of 6327 feet (or 6.327 thousand feet). **Data Table:** - **Altitude (thousands of feet):** 3, 6, 15, 22, 27, 31, 32 - **Temperature (°F):** 57, 37, 23, 2, -27, -41, -57 In this dataset, the relationship between increasing altitude and decreasing temperature can be analyzed using statistical methods to find variations and prediction intervals.
### Statistical Analysis Exercise

**Tasks**

a. Find the explained variation.  
    [  ]  
    (Round to two decimal places as needed.)

b. Find the unexplained variation.  
    [  ]  
    (Round to five decimal places as needed.)

c. Find the indicated prediction interval.  
&nbsp;&nbsp;&nbsp;&nbsp;[  ] °F < y < [  ] °F  
&nbsp;&nbsp;&nbsp;&nbsp;(Round to four decimal places as needed.)

---

*Note: Ensure that each calculated value is placed in the corresponding box, rounded to the specified number of decimal places.*
Transcribed Image Text:### Statistical Analysis Exercise **Tasks** a. Find the explained variation. &nbsp;&nbsp;&nbsp;&nbsp;[ ] &nbsp;&nbsp;&nbsp;&nbsp;(Round to two decimal places as needed.) b. Find the unexplained variation. &nbsp;&nbsp;&nbsp;&nbsp;[ ] &nbsp;&nbsp;&nbsp;&nbsp;(Round to five decimal places as needed.) c. Find the indicated prediction interval. &nbsp;&nbsp;&nbsp;&nbsp;[ ] °F < y < [ ] °F &nbsp;&nbsp;&nbsp;&nbsp;(Round to four decimal places as needed.) --- *Note: Ensure that each calculated value is placed in the corresponding box, rounded to the specified number of decimal places.*
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