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Conduct an ANOVA comparing the anxiety levels (at posttest only) of participants across all three treatment conditions: CBT, psychodynamic, and supportive therapy. Conduct post hoc tests, if needed. Report your analyses in the APA format and one to two sentences interpreting each of your results.
State the null hypothesis and the alternate hypothesis. State the decision regarding the null hypothesis.
A local bank reported to the federal government that its 5,246 saving accounts have a mean of $1,000 and standard deviation of $240.
Answer the following three questions based on what you know about statistics now.
A sample of 64 Atlanta consumers showed a mean quarterly water bill of $51 with a sample standard deviation of $12. At α = .05, does the Atlanta sample support the conclusion that above-average rates exist for this private water system?
If it is determined that there is no difference between the population mean being represented by the sample and the mean of the population at large, then:
Find the least-squares line. The slope of this regression line is Fill in the Blank 01. Enter your answer exactly as given in the JMP output.
Given that a Brand A battery just failed, what is the expected value of the time we wait until the next Brand B failure?"
At the .05 level of significance, can we conclude the Middletown students stayed in their districts less time than the Brockton students? Use the five-step hypothesis testing procedure.
The probability of an randomly selected person quits a team is 0.125. Assume the team has n members. Determine the smallest n that the team needs to have if the probability of the team has at least 20 members left is 0.9.
Compute an F-statistic for each linear construct and determine its significance. Also, state what questions each of these contrasts address.
Each,day Monday through Saturday, a baker bakes three large chocolate cakes and those not sold on the same day are given away to a food bank.
The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5,000, find the probability that
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