A new auciety medication has been manufactured and a study is being conducted to determine whether its effectiveness depends on dose. When 40 milligrams of the medication was administered to a simple random sample (SRS) of 60 patients. 21 of them
demonstrated lower stress levels. When 75 milligrams of the medication was administrated to another SRS of 85 patients. 34 of them
demonstrated lower stress levels. Which of the following test statists is an appropriate hypothesis test?

Select each of the paced steps below. define the problem. conduct an internet search for information. list the alternatives. select the criteria. evaluate the alternatives. make a decision. evaluate the decision.

Facial shaving brushes are either bulb-shaped or fan-shaped. an experiment is to be conducted to determine whether the lather thickness is the same for both types of shaving brushes. in previous studies, it was determined that shaving brush size (small, medium, large) is associated with lather thickness, but shaving brush type (wolf whiskers, maggard razors, frank shaving, and so on) is not associated with lather thickness. how could the experiment best be conducted? by blocking on shaving brush size by blocking on shaving brush type by blocking on shaving brush shape by blocking on lather thickness without blocking

50 ! if you could have one clothing item of your choice, but it was in either of these colors, which would you choose out of each category? blue or pink red or yellow red or green green or purple blue or green