Aconservationist wants to know if the average water level in horseshoe lake is more than the average water level in swan lake.
1. a sample of 23 observations from horseshoe lake has a mean of 43 meters and a standard deviation of 3.2 meters.
2. a sample of 23 observations from swan lake has a mean of 38 meters and a standard deviation of 2.4 meters. test his hypothesis at α = 0.01.
group of answer choices:
o reject h0; it appears that the average water level in horseshoe lake is more than the average water level in swan lake.
o fail to reject h0; it appears that the average water level in horseshoe lake is not more than the average water level in swan lake.
o not sufficient information to decide