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Suppose we wanted to compare the somatic complaints (as measured on a scale known as the Physical Symptom Survey or PSS) of three groups of people; nonsmokers, smokers, and people who recently quit smoking. Using the following data for PSS scores, do a one-way ANOVA to test the hypothesis that the population means are equal:
Nonsmokers
Smokers
Quitters
19
26
37
23
29
32
17
22
27
20
30
41
38
1. What are the means and SDs for the three groups?2. What is the SS total? SS between and SS within?3. What is the MS between? MS within?4. What is the df for between, df for within?5. What is the value of F? Using an alpha of .05, is the F statistically significant?6. Attach your SPSS output
Difference between an unadjusted trial balance and an adjusted trial balance? The variations between unadjusted test stability and altered test stability are the amounts registe
regression line drawn asY=C+1075x,when x was 2,and y was239,given that y intercept was11.calculate the residual.
fundamentals of cost accounting 17-33 excel template
Where an element of randomness is introduce by suing random numbers to pick up the unit with which to start this process of sampling is known as systematic sampling.
Isotopes Elements having same atomic number Z, but different A mass number for example 126C, 146C and 11H 21H, 31H are isotopes of carbon and hydrogen. Isotones Elements havi
Given the following pairs of random variables and compute the following sums. (NB: show your working table). 3 -7 2 10 6 11 10 12 15 14 (b) (c) (d) ?¦?2y
where i found an assignment about index?
i need problems and their answers in a simplified way to understand the material because im really having troubles understanding how to solve conversion bonds and share warrants pr
The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 89 inches, and a standard deviation of 16 inches. What is the probability that
comulativefrequencydistribution
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