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Question: Differences in Alpha Level as It Related to Hard and Soft Sciences
Decisions about alpha level may be different, especially as it relates from hard sciences to social sciences. For example, a medical trial for cancer treatments conducts their statistical tests at .0001 - so for every 1 out of 10,000 patients, there may be issues, sickness or even death. For social science, we use alpha .05. We are comfortable with performing research, for example, on students. So we are satisfied with losing 5 out of 100 students or having our results being incorrect 5 out of 100 times.
Do you agree with these alpha levels? Why or why not? What if your child's education and the teacher assigned to him/her would be successful 95 out of 100 times?
Given the current situation, estimate the probability that on a peak day, at least one faculty member with a sticker will be unable to find a spot.
Construct a scatter plot for these data.- Find the estimated regression line. Add a graph of the estimated regression line to the scatter plot in part (a).
What is the probability that you randomly select a black, don't put the black back, then draw another black, don't put that black back
find the area under the curve for the following z-scores z -0.31 and z
using the data provided x the quality of the speed of execution and y overall satisfaction with the electronic trades
How many branch offices were involved in the study and compute the F statistic and test the significance of the relationship at a .05 level of significance.
What does cumulative frequency polygon show? Are charts and tables equally effective in displaying data?
based on available information lead time demand for cd rom drives averages 250 units normally distributed with a
A researcher tested two groups (females and males) of rats on memory performance. The following scores are for the number of correct choices they made
Manufacturing and Product Development The Liberty Stone Vista standard unit is manufactured to weigh 70 pounds.77 This double-sided stone is part of a wall.
An urn contains 7 red, 11 blue, and 13 yellow balls. Carmela, Daniela, and Lucrezia play a game in which they take turns and draw balls from the urn.
Suppose that one fisher from each park is chosen at random. What is the probability that the fisher chosen from Clearwater had a license and the fisher chosen from Mountain View did not have a license?
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