Question: Using the following data to forecast using linear trend line where y=a+bx and both alpha and beta must be calculated. 4 decimal places required.

Using the following data to forecast using linear trend line where y=a+bx and both alpha and beta must be calculated. 4 decimal places required. 12345 5 6 7 8 9 10 11 62 63 68 66 67 65 68 69 67 70 I

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