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1. Explain how you would use a manipulation check to determine whether you successfully manipulated room temperature in a study of temperature and aggression.
2. Distinguish between an independent variable and a subject variable.
What happens to the confidence interval and the power of the test at a particular point of interest
question 1 a psychologist has to develop a new test of spatial perception and she wants to estimate the mean score
There is an advantage in stating the hypothesis both in the null and in the alternative; it adds clarity to our thinking of what we are testing. Explain.
a survery of magizine subcribers showed that 45.8 percent rented a car during the past 12 months for business reasons.
Define Population 1 as the Deerfield course and Population 2 as the Pike Creek course. Construct a 95% confidence interval for the difference in population mean and interpret the results.
A marketing agency is interested in the buying habits of those who shop online versus those who shop in person. In your discussion post, address each of the following and explain your reasoning as to why you picked the specific scale:
In an analysis of variance problem involving 3 treatments and 10 observations per treatment, SSE = 399.6. The MSE for this situation is:
What characteristics or history enabled the Persian Empire to gain so much power? To prepare your answer, consider how the Empire differed from previous major powers and the problems that it faced.
a random sample of 81 students at a local university showed that they work an average of 60 hours per month with a
a new analytical method to detect pollutants in water is being tested. this new method of chemical analysis is
a journal article reports that a sample of size 5 was used as a basis for calculating a 95 ci for the true average
Income level of the industrial salespeople and their employment status. Be sure to state the critical value, the value of the Chi-square test statistic, and your decision (accept/reject).
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