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Question 1:
When a researcher has two samples with two means, one of the assumptions for two samples is independence of between the two samples. What does this mean? What happens if the independence assumption is violated?
Question 2:
What are the differences among a proportion, a percentage, and a ratio? When would a researcher use a hypothesis test for the difference in two population proportions? Explain.
Write a brief introductory paragraph regarding the background of data and write paragraph (or two) that specifies the shape of the distribution of the data and reference your graph(s) used to make your decision.
you randomly selectnbsp9nbspfire-breathing dragons and the number of knights and princesses eaten by each dragon is
suppose we obtained data on vein size after application of a nitroglycerin ointment in a sample of 50 patients. the
complete the following using the mysoclab social explorer map income inequality by race located on the student website
Jerry however is unsure the 0.6 probability of a favorable marketing research study is correct. How sensitive is Jerry's decision to this probability value ? How far can this probability value deviate from 0.6 without causing Jerry to change his d..
in the normal model n10016 for iqs what cutoff value bounds the highest 5 of all
Assume that a 95% confidence interval for the mean is 14.5
Construct one bar graph illustrating the relationship between sales and income for each separate year of Amazon's existence.
What is the probability that the mean starting salary is between $31,000 and $33,000 - Graduates from a graphic arts course at a community college have a mean starting salary
Johnny Comlatey has 53% of votes among all voters in two-way race. Probability that newspaper's poll of 380 voters would forecast Johnny Comlatey's opponent the winner is?
use the given information to find the p-value. also use a 0.05 significance level and state the conclusion about the
Please explain the term analysis variance so a person without formal statistics education can understand.
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