The area will need treated with herbicides
Report the result below:
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3.5 units. Conduct statistical test to determine if the mean weed biomass in the studied area exceeds the threshold. Use α=0.05.
A) By-hand:
Report the result below:
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3) If the researchers hypothesize that the population mean for the weed biomass in the studied area is equal to 5 units. What would be the probability of the Type II error of the statistical test conducted in question 2)?
By- software (either SAS or R):