Mathematics, 18.10.2019 10:30 pamelperezz26
Sweet corn of a certain variety is known to produce individual ears of corn with a mean weight of 8 ounces. a
farmer is testing a new fertilizer designed to produce larger ears of corn, as measure by their weight. he finds
that 28 randomly-selected ears of corn grown with this fertilizer have a mean weight of 8.25 ounces and a
standard deviation of 0.8 ounces. there are no outliers in the data. do these samples provide convincing
evidence at the .05 level that the fertilizer had a positive impact on the weight of the corn ears?
Answers: 1
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