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According to a national survey, the average depression scores in all Canadians over the age of 65 is 5.25 on a scale from 0 to 20, where higher scores mean more severe depression. You are interested in whether or not the level of depression is different for seniors who live in long-term care than it is for the general population.
What type of test you should use to test this relationship?
What is the correct hypotheses in symbol notation (or words if symbol is not appropriate)?
Simply state the name of the statistical test or give the equation that you would use to answer this problem.
Then, identify any independent and dependent variables in your hypotheses.
With scores on a statistics take home exam of 10 randomly selected students and the number of days each student spent working on the exam.
Is it true that compared to a matched t test on the same data, the independent samples t test will always yield a smaller critical t?
two vehicles in succession are observed moving through the intersection of two streets.a list the possible outcomes
a fair 20-sided die is rolled 120 times and the value of chi-square is computed using expected counts of 6 for each
Identify both of the variables, and state whether they are numerical or categorical. If numerical, state whether they are continuous or discrete.
Derive a likelihood ratio test for the following case. Under hypothesis HI, the observation Z is Gaussian with mean m, and variance cri.
in a study on infants one of the characteristics measured was head circumference. the mean head circumference of 14
Can we conclude, at the level of significance, that the mean lifetime of light bulbs made by this manufacturer differs from months? Perform a two-tailed test.
Write a 500 to 750 word paper in APA format describing the stucture, business model, and culture you selected. Provide justification for why you selected each element and explain how your choice may affect your business.
Compare car accidents in which the occupants were wearing seat belts with accidents in which the occupants were not wearing seat belts.
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