Predict significant portion of the variance
A sample of n = 12 paris of X and Y scores has SSY = 90 and Pearson correlation of r = 0.40. Does regression equatioin predict significant portion of the variance? Test with a = 0.05.
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When we make inferences regarding the difference of 2 independent population proportions, what assumptions do we require to make? Mark all that apply.
can you say at the .01 significance level that average length of mature great white shark is less than 15 feet?
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Two airplanes are flying in same direction in adjacent parallel corridors. At time t = 0, first airplane is 10 km ahead of second one. Assume the speed of the first plane (km/hr) is normally distributed with mean 530 and standard deviation 9 and t
Suppose the speed of the first plane (km/hr) is normally distributed with mean 530 and standard deviation 9 and the second plane's speed is also normally distributed with mean and standard deviation 515 and 9, respectively. What is the probability
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