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Strawberry farmers want to investigate two different pest control procedures in terms of the yield. Therefore,...

Strawberry farmers want to investigate two different pest control procedures in terms of the yield. Therefore, 12 fields were randomly selected: one procedure was adopted in 6 of the fields, and the other procedure was adopted in the other 6 fields. The number of healthy strawberry plants in each field is given by:

Procedure1 20 20 23 22 24 18
Procedure2 11 8 9 11 27 10

Calculate a 95% confidence interval for the difference in average yield.

Math   Statistics-And-Probability   
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