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In a study of brain waves during sleep, a sample of 29 college students were randomly separated into two groups. the first group had 15 people each was given 1/2 liter of red wine before sleeping. The second group had 14 people and were given no alcohol before sleeping. All participants went to sleep at 11 pm and their brainwave activity was measured from 4-6 am. The group drinking alcohol had a mean brainwave activity of 19.65 hertz and a standard deviation of 1.86 hertz. The group not drinking had a mean of 6.59 hertz and standard deviation of 1.91 hertz. compute a 90% confidence interval for the difference in population. mean of groups drinking alcohol before sleeping and those not drinking alcohol before sleeping. Explain the meaning of the confidence interval
The following information describes the value Lori Landlord places on having her five apartment houses repainted. She values the repainting of each apartment house at a different amount depending on how badly it needs repainting. Value of new paint o..
Using MPC = 0.4, what is the multiplier (the actual numerical value please): What was the total change in spending as a result of the stimulus package?
The demand for cartons of cigarettes is Q = 1200 – 10P and the supply of cartons of cigarettes is Q = 20P. Suppose the federal government levies a $10 per-carton-tax on sellers for every carton they sell. What is the statu tory incidence for the $10..
John and Diane are the only two people living on a desert island. They have two sources of food, hunting rabbits and fishing
Determine the 90% confidence interval for the mean repair cost for the washers. Assume the population is approximately normal.
There are many who propose that the west should ‘forgive’ the debt of under-developed nations, including some celebrities, some politicians, and even some economists. Find at least one article that makes the argument that these debts should be forgiv..
Consider ergonomic hazards associated with the operation of pneumatic impact wrenches in a vehicle maintenance facility.
What is the equivalent uniform annual cost of owning and operating this particular machine?
The market demand curve for the industry is D(P) = 240 ? P/2. At the equilibrium market price, each firm produces 20 units. What is the equilibrium market price, and how many firms are in this industry?
Calculate price elasticity of demand (using the point elasticity formula) at the following amounts of CLO along this demand curve: QD=4000, QD =2500, QD =1000.
Briefly explain what happens to employers and employees when the CPI is upwardly biased (i.e. the CPI is estimated to be higher than what it should be).
How does the concept of sentience impact moral reasoning about the rights of the animals? In response define sentience and give at least three examples of how this compact impacts ethical decisions about animals.
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