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Question: a. What is the first assumption for ANOVA? Is it likely that the researchers met this assumption? Explain your answer.
b. What is the second assumption for ANOVA? How could the researchers check to see if they had met this assumption? Be specific.
c. What is the third assumption for ANOVA? How could the researchers check to see if they had met this assumption? Be specific.
d. What is the fourth assumption specific to the within-groups ANOVA? What would the researchers need to do to ensure that they meet this assumption?
Using the appropriate statistical table, what is the most accurate statement we can make about the p-value for the test? Construct and interpret the 95% confidence interval for the difference between the population means.
Find the range, standard deviation, and variance for the scores.
Find the probability that tomorrow's rate will be above 1.42.- The probability that tomorrow's rate will be below 1.35.
The four characters required for the passcode, the first must be a number,the 2nd and 3rd must be a number. how many different passcodes can you form?
Is the proportion of men who write a shopping list before going shopping less than the proportion of women who do so? Let p1 and p2 represent the population.
What will be the approximate population of the Country, if its current population of 250 million grows at a compound rate of 2.5% annually for 20 years?
Compare the lengths of the confidence intervals based on the mean and 20% trimmed mean. Why is the latter confidence interval shorter?
The important thing is having a reason for picking the model that you decide on. You should choose a model for overall characteristics like a high R^2 value. Y
Suppose that you are given a new sample statistic to serve as an estimator of some population parameter. You are unable to assume any theoretical results.
For each of the following variables-both described at some point in this chapter-state how the researcher operationalized the variable.
an insurance policy costs 100 and will pay policyholders 10000 if they suffer a major injury or 3000 if they suffer a
Give a 95% confidence interval for the mean difference in hemoglobin level between the two populations of infants.- State the assumptions that your procedures in parts (a) and (b) require to be valid.
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