Question: Is the sample median a biased estimator of the population
Is the sample median a biased estimator of the population mean? Why do we usually prefer the sample mean to the sample median as an estimator for the population mean? If we use the sample median, what must we assume about the population? Compare the two estimators.
Relevant QuestionsResidential real estate in New York rents for an average of $44 per square foot, for a certain segment of the market. If the population standard deviation is $7, and a random sample of 50 properties is chosen, what is the ...Which of the following estimators are unbiased estimators of the appropriate population parameters: x̄, P-hat, S2, S? Explain. The Toyota Prius uses both gasoline and electric power. Toyota claims its mileage per gallon is 52. A random sample of 40 cars is taken and each sampled car is tested for its fuel efficiency. Assuming that 52 miles per ...Recently, three new airlines, MAXjet, L'Avion, and Eos, began operations selling business or first-class-only service. These airlines need to estimate the highest fare a business-class traveler would pay on a New York to ...The manufacturer of batteries used in small electric appliances wants to estimate the average life of a battery. A random sample of 12 batteries yields x-bar = 34.2 hours and s = 5.9 hours. Give a 95% confidence interval for ...
Post your question