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Estimating the Population Mean Tomato yield for the Organically grown and Chemically sprayed!! Midwest farmer decides ten parcels of land on his property and divided them each into two portions to grow Tomatoes with Chemical and Organic fertilizers. He believes Organically grown will yield high Quantity of Tomatoes compared to Chemically grown. Let's us test the Hypothesis at 90% confidence or at a = 0.10 significance level. Acre Chemical Organic 1 12 14 Null Hypothesis: Tomato yield are the same either with Chemical or Organically grown! ( Status Quo) 2 13 15 Alternate Hypothesis: Farmer believes Organicall grown will yield higher Quantity of Tomatoes comparred to the Chemically sprayed. 3 15 16 4 14 18 Excel - Use t test unequal variance ( One sided Hypothesis testing) Null: u Organically grown s u Chemically grown 13 15 Alternate: u Organically grown > u Chemically grown 11 17 14 16 13 18 12 16 10 13 17