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1. Apply the boxplot rule for outliers to the values in the preceding problem.
2. Consider the values0,121,132,123,145,151,119,133,134,130,250.Are the values 0 and 250 declared outliers using the classic outlier detection rule?
new york city is the most expensive city in the united states for lodging. the mean hotel room rate is 204 per night
A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling. Can he conclude, at the 0.10 level of significance, that the average trunk diame..
In a random sample of 200 person of a town 120 are found to the tea drinker.In a random sample of 500 person of another town 240 are found to be tea drinker.Is the proprtion of tea drinker in the two towns are equal? use .001 level significance.
Nitrogen and Seagrass. The seagrass Thalassia testudinum is an integral part of the Texas coastal ecosystem. Essential to the growth of T. testudinum is ammonium.
A researcher believes that if she uses a different text the students will score differently on the standardized test but she doesn't know what the difference is.
The 10year survival rate for bladder cancer is approximately 50%. If 20 people who have bladder cancer are properly treated for the disease,what is the probability that:
Serum cholesterol levels were taken from a population of 10,000 college students. The results were normally distributed. Males had a mean of 195 and a standard deviation of 10. Females had a mean of 185 and a standard deviation of 12.
decide whether the normal sampling distribution can be used claim p does not equal .28 a.01 sample stats 0.19
Determine the level of measurement for each of your independent variables and the dependent variable (in terms of categorical/discrete or continuous/scale)
Reframe your answer to Exercise 3.6 in terms of objectives and alternatives. That is, what are appropriate fundamental objectives to consider in the context of choosing how to present the investment information? How do decision trees and influence..
Use a 0.05 level of significance (? =.05) to determine whether or not the percentage of Atlanta CEOs who have advanced degrees is significantly less than the national percentage.
The following data represent 25 successive subgroup averages and moving averages of span size 5 of these subgroup averages. The data are generated by a process that, when in control, produces normally distributed items having mean 30 and vari..
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