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... Except in the case of small samples, the assumption that the data are an SRS from the population of interest is more important than the assumption that the population distribution is Normal. Sample size less than 15: Use t procedures if the data appear close to Normal (symmetric, single peak, no o ...
... Except in the case of small samples, the assumption that the data are an SRS from the population of interest is more important than the assumption that the population distribution is Normal. Sample size less than 15: Use t procedures if the data appear close to Normal (symmetric, single peak, no o ...
SMgrading2242 - Emerson Statistics Home
... mortality by comparing mean LDL values across groups defined by vital status at 5 years using a t test that allows for the possibility of unequal variances across groups. How do the results of this analysis differ from those in problem 1? (Again, we do not need a formal report of the inference.) Usi ...
... mortality by comparing mean LDL values across groups defined by vital status at 5 years using a t test that allows for the possibility of unequal variances across groups. How do the results of this analysis differ from those in problem 1? (Again, we do not need a formal report of the inference.) Usi ...
View PDF - Cypress HS
... Suppose follow-up testing determines that the low outlier should be 10 grams per kilometer less and the two high outliers should each be 5 grams per kilometer greater. What effect, if any, will these changes have on the mean and median CO2 levels? (a) Both the mean and median will be unchanged. (b) ...
... Suppose follow-up testing determines that the low outlier should be 10 grams per kilometer less and the two high outliers should each be 5 grams per kilometer greater. What effect, if any, will these changes have on the mean and median CO2 levels? (a) Both the mean and median will be unchanged. (b) ...
Answers to Referee 2
... configurations that were not previously investigated. The results are quite similar to the ones obtained with our original choice assigning the transformed parameters to the preferences. For the microzooplankton, we note that the mean and standard deviation of the 20 means of preferences obtained at ...
... configurations that were not previously investigated. The results are quite similar to the ones obtained with our original choice assigning the transformed parameters to the preferences. For the microzooplankton, we note that the mean and standard deviation of the 20 means of preferences obtained at ...