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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
Differentiate between historigrams and histogram
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Bugsy?s Haulers, is considering the purchase or lease of a fuel tanker. The Purchase Option The purchase price is R4 000 000. This will be paid off as follows: R2 5
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ways or techniques for labour control policy
You are a psychologist who has collected the subjective well-being scores of a number of elderly people aged 90 or above who are residents of an independent living facility or who
Consider a multiple regression model Y=ß0+ß1X1+ß2X2+µ The sample data yields the following matrices: X’X= { ¦(33&0&0@0&40&0@0&20&60) } Y’X=¦((132&24&92)) ?(y-Y)2 =150 a. what
what are the methods of measuring mortality and fertility rates?
question.. A prevent of huge m1 and bodyweight w1 = m1g goes on a stage frictionless exterior. It is attached by a gentle versatile string moving past over a little frictionless l
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