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A researcher notes that the correlation in the group she studies is so large that if there were not a correlation among people in general, there is less than a 5% chance of getting her correlation. Her correlation is thus:
Statistically significant statistically insignificant nonlinear curvilinear
A client has an investment portfolio with mean value is equal to 4500 USD, with a standard deviation of 300 USD. What is the probability that the value of her portfolio is between 3900 USD AND 5400 USD?
peter browns utility for total wealth x can be represented by the utility function ux lnx. he currently has 1000 in
State the hypotheses for a right-tailed test. (b) Obtain a test statistic and p-value. (c) Is normality assured? (d) If significant, is the difference also large enough to be important?
Assume the first patient is assigned treatment A, and whenever there is a tie in marginal discrepancy, the next patient is assigned treatment A. Use w0 = 2 and w1 = 1. Show all you work.
a certain population has a mean of 476 and a standard deviation of 36. many samples of size 56 are randomly selected
A sample of 100 orders revealed that 82 were delivered within the promised time. At the .10 significance level, can we conclude that less than 90 percent of the orders are delivered in less than 10 minutes?
A standard deviation of 1.9 pounds. What is the 95 percent confidence interval for the true mean weight, u, of all packages received by the parcel service?
what do you conclude if 50000 people respond to an nbc news survey in which tv viewers were asked to a call a toll-free
What are the pros and cons of selecting an established theoretical or conceptual model or framework? What are the pros and cons of creating/developing your own?
q1. in a study of the effects of stress on illness a researcher tallied the number of colds people contracted during a
Factor the polynomial completely. Factor each completely given that the binomial following it is a factor of the polynomial.
In a group of 6 computer programmers, what is the probability that none are introverts? What is the probability that 4 or more are introverts?
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