Empirical cumulative distribution
Graph the empirical cumulative distribution for the following 12 measurements: 9,10,6,7,9,7,9,6,8,5,10,12
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MAT scores for 1000 students were found to have a mean and standard deviation of 550 and 100 respectively. By Chebyshev's Theorem, at least how many of the 1000 scores fall between 350 and 750? (75%)
Make up 3 datasets each with 10 observations (rows) and 2 variables (columns). One should have a correlation greater than .8; one should have a correlation between .4 and .7; one should have a correlation between -.20 and +.20.
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Is there sufficient evidence to indicate that the mean annual percentage turnover for U.S. plants exceeds the corresponding mean percentage for Japanese plants? Test using a = .05. This is a t-test: Two-sample independent groups assuming equal var
Give an example of a question that can be answered using tools of descriptive statistics. (C)Give an example of a question that can be answered using the tools of inferential statistics.
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Suppose that the we have the following data which comes from a distribution with probability density function
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