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

1. Arrange the data in a table format. (5 marks)

2. Standard Deviation (13 marks)

For your data, use the linear forecasting model which is y = mx + c to calculate and discuss the followings:

1. Show the steps of calculation of m value and discuss the answer. (15 marks)
2. Show the steps of calculation of c value and discuss the answer.(15 marks)
3. 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.

Exy - ExLy m Ey-mEx C .= Ex2-(Ex) 2 N