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1. Where on the continuum of formality of ideas will a beginning student's research be likely to fall? Explain your answer.
2. Explain how changes in psychology and changes in society have affected psychologists' use of animals in research.
3. Why could it be more profitable for a beginning researcher to do an exact replication, while it would be more profitable for a seasoned researcher to do a conceptual replication?
4. What are the advantages of a literature review of research related to your own investigations?
Compare the Friedman test with the randomized block ANOVA in terms of (a) their respective null and alternative hypotheses, and (b) the assumptions required in order to use each test.
Calculate the probability of XYZ Ltd's being awarded the contract if the probability of the investigation is 0.80 and the probability of ABC Ltd completing research in time is 0.85
A United Nations report shows the mean family income for Mexican migrants to the U.S.. is $27,000 per year. A FLOC evaluation of a sample 25 Mexican families units reveals a mean to be $30,000 with a sample standard deviation of $10,000.
If the results of a t-test lead you to reject the null hypothesis, what is the probability that you have made a Type II error?
it is estimated that 10 of the athletes competing in a large tournament are users of an illegal drug to enhance
The 6 prime numbers together have probability 0.3 and the 14 other numbers together have probability 0.7. Test these hypotheses, using a = 5%. Design further experiments that illustrate the difficulties of random selection.
For random variable W of Example 4.10, we can generate random samples in two different ways: 1. Generate samples of X and Y and calculate W = Y/X.
Following data on x=weight (in pounds): x 1 33.5, x2 27.3, x3 36.7, x4 30.5 Suppose that one more piece is selected; denote its weight by x5. Find a value of x5 such that X = smaple median.
What is the distribution of T, the time it takes the sender to emit a message combined of k characters of independent lengths?
This process is sometimes used as a model for random noise.- Find the time-varying autocorrelation function. - Find the PSD of this process.
Perform a hypothesis test with significance level 5%. Show all work, and clearly state your conclusion.
What proportion of response times will take less than 5 minutes? What proportion of response times will take between 6 and 9 minutes
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