Question
Date Wind Speed 29-Dec 4.00 30-Dec 6.00 31-Dec 3.00 1-Jan 8.00 2-Jan 6.00 3-Jan 8.00 4-Jan 4.00 5-Jan 5.00 6-Jan 9.00 7-Jan 5.00 8-Jan 3.00
Date Wind Speed 29-Dec 4.00 30-Dec 6.00 31-Dec 3.00 1-Jan 8.00 2-Jan 6.00 3-Jan 8.00 4-Jan 4.00 5-Jan 5.00 6-Jan 9.00 7-Jan 5.00 8-Jan 3.00 9-Jan 7.00 10-Jan 4.00
| Date | Wind Speed |
| 29-Dec | 4.00 |
| 30-Dec | 6.00 |
| 31-Dec | 3.00 |
| 1-Jan | 8.00 |
| 2-Jan | 6.00 |
| 3-Jan | 8.00 |
| 4-Jan | 4.00 |
| 5-Jan | 5.00 |
| 6-Jan | 9.00 |
| 7-Jan | 5.00 |
| 8-Jan | 3.00 |
| 9-Jan | 7.00 |
| 10-Jan | 4.00 |
1. Arrange the data in a table format. (5 marks)
2. Present the data using any two types of charts of your choice. Example: Column chart, line chart, bar chart, scatter plot etc. (10 marks)
3. Calculate and discuss the followings. Please provide the steps for the calculation and highlight the final value.
- Mean (8 marks)
- Median (8 marks)
- Mode (8 marks)
- Range (8 marks)
- Standard Deviation (13 marks)
4. For your data, use the linear forecasting model which is y = mx + c to calculate and discuss the followings:
- Show the steps of calculation of m value and discuss the answer. (15 marks)
- Show the steps of calculation of c value and discuss the answer.(15 marks)
- Using the calculated 'm' and 'c' values, forecast the wind speed for day 11 and day 13. (10 marks)
Hint - Use the following formulas to calculate the 'm' and 'c' values.
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Applied Regression Analysis And Other Multivariable Methods
Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg
5th Edition
1285051084, 978-1285963754, 128596375X, 978-1285051086
