Mathematics, 18.08.2021 14:00 kingzae5
Amphetamine is a drug that suppresses appetite in most animals. To study the magnitude of this effect in rats a scientist randomly assigned thirty rats into three treatment groups to receive either a dose of amphetamine (2.5 or 5.0 mg/kg) or a control (saline, 0 mg/kg). Then food consumption was measured in grams per kilogram of body weight (g/kg) for the three-hour period after the injection.
A) Which of the choices on Canvas best represents the null/alternative hypothesis of this study?
µ1 = µ2
µ1 ≠ µ2
µ1 > µ2
µ1 < µ2
µ1 ≥ µ2
µ1 ≤ µ2
θ1 = θ2
θ1 ≠ θ2
θ1 > θ2
θ1 < θ2
θ1 ≥ θ2
θ1 ≤ θ2
ρ = 0
ρ ≠ 0
β = 0
β ≠ 0
The residuals of these data are consistent with a normal distribution.
These residuals of these data are not consistent with a normal distribution.
The variances of the response/residuals are the same for all values of x.
The variances of the response/residuals are not the same for all values of x.
Answers: 1
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Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?
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Amphetamine is a drug that suppresses appetite in most animals. To study the magnitude of this effec...
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