Question: Consider the following time series data: Year: 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Time period(x): 0 1 2 3 4

Consider the following time series data:

Year:

2010

2011

2012

2013

2014

2015

2016

2017

2018

2019

2020

Time period(x):

0

1

2

3

4

5

6

7

8

9

10

Sales(y):

10

20

33

45

50

55

60

65

70

75

80

(a) Find the linear trend forecasting equation for the above data.

(b) Forecast the sales amount for 2070.

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