The best model represents y = 26.9x – 1.3
What is equation?
An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
As, the data given about productivity is well defined by y = 26.9x – 1.3
As, we have 4 functions so by putting the values we get
x          A         B         C        D
2 Â Â Â Â Â Â Â 66.66 Â Â Â Â Â 49.3 Â Â Â Â Â Â 52.5 Â Â Â Â Â 50
4 Â Â Â Â Â Â 94.57 Â Â Â Â Â Â 71.44 Â Â Â Â Â 106.3 Â Â Â Â 104 Â
6 Â Â Â Â Â Â 134.14 Â Â Â Â Â 103.57 Â Â Â Â 160.1 Â Â Â Â Â 158
8 Â Â Â Â Â Â 190.27 Â Â Â Â Â 150.14 Â Â Â Â Â 213.9 Â Â Â Â 212
10 Â Â Â Â Â 269.91 Â Â Â Â Â 217.64 Â Â Â Â 267.7 Â Â Â Â 266
12 Â Â Â Â Â 382.85 Â Â Â Â Â 315.5 Â Â Â Â Â 321.5 Â Â Â Â Â 320.
So, the most accurate is (C)y = 26.9x – 1.3.
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