A farmer wants to know if using different brands of fertilizer makes a difference in his corn crop yields. There are four brands of fertilizer in the…

A farmer wants to know if using different brands of fertilizer makes a difference in his corn crop yields. There are four brands of fertilizer in the market. He applies each one of the fertilizers in 10 different locations with the same area and records the crop yields. He runs a one-way Analysis of Variance in Excel and obtains the following partial output. Using the data from the excel output, test whether the mean yields are different.

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