Mathematics, 10.11.2019 01:31 jaylaa04
Here's a quick and easy way to randomize. you hove 100 subjects, 50 women and 50 men. toss a coin. if it's heads, assign the men to the treatment group and the women to the control group. if the coin comes up tails, assign the women to treatment and the men to control. this gives every individual subject a 50-50 chance of being assigned to treatment or control. why isn't this a good way to randomly assign subjects to treatment groups?
a. the result of a coin toss is not really random.
b. the probability of a coin to fall on each side is not the same.
c. we can't be sure that the composition of two groups will be similar.
d. the coin might be lost.
Answers: 2
Mathematics, 21.06.2019 20:50
A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.
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Mathematics, 21.06.2019 23:00
Could someone me with this question i’ve been stuck on it for 20 minutes
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Mathematics, 22.06.2019 00:00
Yvaries directly as x. y =90 when x=6. find y when x=13
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Mathematics, 22.06.2019 00:00
Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
Here's a quick and easy way to randomize. you hove 100 subjects, 50 women and 50 men. toss a coin. i...
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