algebra

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Your research the average cost of whole milk for several years to look for trends the table shows your data what is the equation for a line of best fit how much would you expect to pay for a gallon of milk in the year 2023
Year, 1998, 2000, 2002, 2004, 2006, 2008
Cost, 2.58, 2.76, 2.94, 2.91, 3.19, 3.72
Milk can you show me how to figure it out and explain thank you

• algebra -

since 2003 is half-way between 2002 and 2004, its cost will be half-way between the costs for those years.

by the way, the number half-way from a to b is a + (b-a)/2 = (a+b)/2, the average of a and b.

• algebra -

2.54x+0.098;\$4.98

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