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Discuss some of the common uses of IQ tests. Do you think that IQ test should be used for these purpose? Does the Flynn effect alter your thoughts about the uses of IQ test? Explain.
Would the Kruskal-Wallis be an appropriate statistical procedure to test this Research Question (RQ)? Please explain your answer.
In the past HR uses an average of 25 vacation days per worker in order to make available man-hour and payroll predictions. Is there evidence to show that the number of vacation days decreased over the past year? Use alpha = .05
He surveys several businesses and finds the standard deviation in monthly advertising costs is $23 for 12 hair salons, and $43 for 8 nail salons.
Generate survival times X from an exponential distribution with rate lambda=1 with a censoring distribution C being exponential with rate theta = 2/3. Then Plot Kaplan-Meier Survival curve estimates along with true survival curve for n=25,100,1000..
Find the probability of a Type II error if in fact the mean waiting time is actually 9.8 minutes.
Overall, the amount of work-hours involved in the festival preperation is normally distributed around 100 hours withn a standard deviation of 12 hours.
If one item is chosen at random, determine these probabilities. It is a TV
Scientist would like to know if mental health clients of private versus public service agencies differ on Global Assessment of Functioning (GAF) scores and on Satisfaction with Services (Satisfaction). She has collected data for 34 clients from a ..
Construct a frequency distribution that has 5 classes, and draw:
Determine the probability that mean height of random sample of 100 women is greater than 66 inches?
Subjects at both sites were classified as dropouts if they left the study before the conclusion, or completers if they finished the study
Taking α to be 0.05, what is/are the critical values associated with testing your hypothesis?
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