What is the f-ratio
An analysis of variance produce SSbetween=30, SSwithin=60, and an F-ratio with df=2, 15. For this analysis, what is the F-ratio?
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The breaking strength of 16 bundles of wool fibers have sample mean of 436 and sample standard deviation of 12. In addition, breaking strengths of 12 bundles of synthetic fibers have sample mean of 453 and sample standard deviation of 5. Determin
Let X and Y have the joint probability density function f(x,y)=1/x, x>1, 0<y<1/x, zero elsewhere. Find f(x|y), be sure to include its support. Find f(y|x), be sure to include its support. Find E (X|Y=y) and E(Y|X=x).
The following data were obtained from a repeated-measures study comparing three treatment conditions. Use a repeated-measures ANOVA with ? = .05 to determine whether these data are sufficient to demonstrate significant differences between the trea
The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal
A poll asked the question, "What do you think is the most significant problem facing this country today?" Twenty-one percent of the respondents answered "crime and violence." The margin of sampling error was plus or minus 4 percentage points.
Brand A gasoline was employed in 16 similar automobiles under identical conditions. The corresponding sample of 16 values (miles per gallon) had mean 19.6 and standard deviation 0.4.
The diameters of grapefruits in a certain orchard are normally distributed with a mean of 6.85 inches and a standard deviation of 0.80 inches. Show all work.
At a solar turbine company there are six compressors built into a new model of turbine. The alignment team assigned to the turbine has the responsibility of making sure the compressors all work equally, otherwise one might blow out earlier than it
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