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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
31 Dec 2021

Given information

Table 12.23 (please refer to book)

Also the equation of linear regression is-

 

Step-by-step explanation

Step 1.

Since  

Also the current year is 2021.

Therefore, no. of letter for the state should be = 3.3764 or three year (approximate).

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