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Question: Cuckoos. Cuckoos lay their eggs in the nests of other (host) birds. The eggs are then adopted and hatched by the host birds. But the potential host birds lay eggs of different sizes. Does the cuckoo change the size of her eggs for different foster species? The numbers in the table are lengths (in mm) of cuckoo eggs found in nests of three different species of other birds. The data are drawn from the work of O.M. Latter in 1902 and were used in a fundamental textbook on statistical quality control by L.H.C. Tippett (1902 - 1985), one of the pioneers in that field.
Investigate the question of whether the mean length of cuckoo eggs is the same for different species, and state your conclusion.
A metallurgist has designed a way of increasing the strength of steel. She has discovered a chemical that is added to samples of molten metal during.
a study of various news home pages reports that the mean number of bad links per home page is 0.4. if the errors occur
listed below are the number of years that popes and british monarchs lived after their election or coronation. treat
Suppose that a survey of 400 students at your school is conducted to assess student opinion about a new academic honesty policy.
the mean weight of luggage check by a randomly selected tourist-class passenger flying between two cities on a certain
Cold weather. A meteorologist preparing a talk about global warming compiled a list of weekly low temperatures (in degrees Fahrenheit) he observed.
The numbers of units purchased as a result of each sales call are shown here. Use the 0.05 level in determining whether the three sales presentations could be equally effective.
Suppose that a one-sample t-test of H0: µ = 0 versus Ha: µ - 0 results in a test statistic of t = 0.65 with df = 14. Suppose that a new study is done.
suppose the probability distribution for x 5 number of jobs held during the past year for students at a school is as
An advertisement for Acme Investments displays the two graphs in Figure to show the value of Acme's product in comparison with the Other Guy's product.
suppose x is uniform of 0 pi2 and ysinx. find the density function of y. the answer is called the arcsine law because
Suppose the number of baskets scored by the Indiana University basketball team in one minute follows a Poisson distribution with ? = 1.5.
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