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Margin of error. Do you think that the margin of error for a sample of 10 would be larger or smaller than the margin of error for a sample of size 100? Explain your answer.
Records of the first flowering dates for 385 species over a period of 47 years show that flowering has advanced an average of 15 days per decade, an indication of climate warming, according to the authors.
suppose x and y have joint density fxy. are x and y independent ifa fxy xe-x1y for xy gt 0b fxy 6xy2 when xy gt 0 and
A researcher took a sample of 25 electronics companies and found the following relationship between x and y, where x is the amount of money.
a researcher asks if people score higher or lower on a questionnaire measuring their emotional well-being when they are
air enters a steady state compressor state 1a at 1.36 bar and 32ordmc with a volumetric flow rate av1a of 0.62 m3s. the
Develop a 90% confidence interval for the true mean weight. What sample size would be necessary to estimate the true weight with an error of +/- 0.03 grams with 90% confidence?
a) Under what circumstances can z be greater than one? b) Under what circumstances can a probability be greater than one?
Find out the probability distribution of your net winnings if you play one time. Calculate the mean and the standard deviation.
a multiple-choice test contains 25 questions each with four answers. assume a student just guesses on each question.a
Compare two month moving average also exponential smoothing using MAD. The subsiquent data represents demand for company ABC's products for the last 10 months.
1. A topological space (S, T ) is called perfectly normal iff for every closed set F there is a continuous real function f on S with F = f -1({0}).
a box contains six tickets. two of the tickets are worth 5 each and the other four are worth 1 each.a if one ticket is
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