Question

Use the linear regression feature on a graphing calculator to find an equation of the line of best fit for the data. Round each value in your equation to the nearest tenth.

Answer 1

On the x side, we have 34 and y side we have 32 if we rounded the nearest 10 I would like 32 would be it because is the closest to the x side

Answer 2

From the table attached, points forming the linear graph are,

• (5, 32), (14, 71), (21, 98), (34, 154), (40, 179)

By using a utility, line of best fit for the given points will be,

     y = 4.192x + 11.21

Equation of the line of best fit with each value in nearest tenth will be,

     y = 4.2x + 11.2

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