Find the estimated regression line

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Reference no: EM131436935

Biology and Environment Science

The Virginia Cooperative Extension Service provides yield data and other performance statistics on barley as well as a summary of the growing season. A random sample of barley varieties was obtained and the 2013 yield ( y, in bushels per acre) and the date headed (x, number of days since the beginning of the calendar year at which 50% of the heads have emerged from the plants) are given in the following table.

Date headed	115	111	114	116	115
Yield	88	87	87	84	82
Date headed	120	119	113	112	119
Yield	82	81	78	82	81

a. Find the estimated regression line.

b. Complete the ANOVA table (without the p value).

c. Do you believe that the date headed is a good predictor of yield? Why or why not?

Reference no: EM131436935

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