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A psychology researcher who does work in creativity wants to determine whether her sample of 50-year-old adults (N = 150) differs statistically from the population of 50-year-olds in intelligence. For her sample, she calculates the following: Mean = 109, SD = 10. (Hint: By definition, the mean IQ of this population is 100 and the population standard deviation is 15. Another hint: Use the z-test here!)
Can someone give me instructions on how to run a one-way ANOVA with Eta in SPSS?
What is the value of t*, the critical value of the t distribution for a sample of size 22, such that the probability of being greater than t* is 1%?
Let X1, X2, X3 be jointly distributed random variables with zero means, unit variances, and covariances Cov [X1, X2] = 0.80, Cov [X1, X3]
1 suppose the problem statement is as follows. roll two 6 sided dice and add the numbers on the faces. what is the
suppose that to have power against a wider variety of alternatives the experimenter decides to base the test on the
assume the readings on thermometers are normally distributed with a mean of 0 degrees celsius and a standard deviation
You have lately noticed that the momentum of the project team has considerably gone down. Critically discuss your strategies for team rejuvenation.
1. investigating a particular stock you estimate the following returns and their associated probabilitiesprobability
Test Scores: mean=100 variance = 225 Years of Service: mean=5 variance = 81 Of test scores and years of service, which measure has the greater dispersion?
a well-known highly profitable technology company had a unique culture based on meritocracy and generating results. the
In a bottling process, a manufacturer will lose money if the bottles contain either more or, less than is claimed on the label. The quality manager of a plant is interested in testing whether the mean ounces of catsup per family size bottle differ..
question a random sample is taken from a population. the data points are 5 4 9 2 1a what is the mode?b calculate the
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