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A physician was interested in comparing the effects of six different antihistamines in persons extremely sensitive to a ragweed skin allergy test. To do this, a random sample of ten allergy patients was selected from the physician's private practice, with treatments (antihistamines) assigned to each patient according to the experimental design shown in the following table. Each person then received injections of the assigned antihistamines in different sections of the right arm. The area of redness surrounding the point of injection was measured after a fixed period of time. The data are shown in the table.
a. Identify the design.
b. Identify the characteristics of the design.
c. Run an analysis of variance. Use a = 05.
after years of collecting sports cards our friend nick decides to open a shop. he sells packs of cards but he focuses
It is estimated that the probability that the general population will live past their 85th birthday is 5.4%. Use the standard normal distribution to approximate this Binomial problem and answer the following questions.
Compute the mean, median, and mode. Which of these measures of central tendency do you think most accurately describes the lifestyle variable you are looking at?
Forecast 2 out of sample forecasts for the final model using following data: Final Estimates of Parameters AR 1 0.9647 0.0388 24.84 0.000.
A sample of 15 workers revealed the following number of minutes traveled. Develop a 98 percent confidence interval for the population mean. Interpret the result. Please explain how you calculate.
heres the question suppose that in a certain population of married couples 30 of the husbands smoke 20 of the wives
The mean area of several thousand apartments in a new development is advertised to be 1250 sq. ft. An engineer measured a random sample of apartments: 1244 1245 1242 1245 1237 1245 1246 1232
1. find the probability distribution for x the sum of a fair four sided die and and fair sixsided die. b for x from
A sample of 60 students from a large university is taken. The average age in the sample was 22 years with a standard deviation of 6 years.
IS there any evidence that a freshman's chances to graduate may depend upon what kind of high school the student attended? Describe.
the probability of a successful missile launch is 0.9. test launches are conducted until 3 successful launches are
Suppose an engineer proposes a new model that will weigh 3100 pounds. What could we expect the miles per gallon in the city performance would be?
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