one-way anova and hypothesis , Basic Statistics

Assignment Help:

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

26

23

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 


Related Discussions:- one-way anova and hypothesis

Strategy nash equilibrium, Consider a population of consumers uniformly dis...

Consider a population of consumers uniformly distributed along the interval from left-hand (x = 0) to right-hand (x=1). The mass of consumers is 1. There are two firms (F1 and F2)

Interpret predictability and behaviou, Shafts are cut to length by two mach...

Shafts are cut to length by two machines, A and B. Each machine cuts 50 percent of all shafts in approximately the same amount of time. Machine A''s shafts are all good, but Machin

Stats, 1. A search engine site claims that, on average, one out of five vis...

1. A search engine site claims that, on average, one out of five visitors clicks on an ad. (a) If 8 users visit the site, what is the probability that at least three click on an a

Sigma notation, Given the following pairs of random variables and comput...

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

Calculate the p-value and test statistic, 1.  This assignment is important...

1.  This assignment is important in providing feedback and helping to establish competency in essential skills. 2.  Answer all the questions. The questions are not of equal weig

Covariance , how can write co variance using summation notation

how can write co variance using summation notation

T-distribution, How does the t-distribution changes its shape with the chan...

How does the t-distribution changes its shape with the change of the size of the sample?

Financial instruments, how are financial instruments recognised in financia...

how are financial instruments recognised in financial reports in the past and present?

Profit and loss accounting, what does it mean by sales less of goods sold a...

what does it mean by sales less of goods sold and cost less of goods sold

Parametric and non-parametric stats tests, What is the difference between p...

What is the difference between parametric and non-parametric stats tests? What is the difference between parametric and non-parametric stats tests? Different kinds or levels of d

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd