Determining the value of df total

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Reference no: EM1319286

Q1) Null hypothesis for an ANOVA states following.

a) None of the other three choices are correct. 
b) There are no differences between any of the population means.
c) At least one of the population means is different from the others.
d) All of the population means are different from each other. 

Q2) The analysis of variances produces dfbetween = 3 and dfwithin = 24. For this analysis, determine dftotal?

a) Can't be determined without extra information
b) 28
c) 26
d) 27

Q3) In general distribution of F-ratios is the following.

a) Negatively skewed with all values greater than or equal to 0
b) symmetrical with a mean equal to dfbetween
c) positively skewed with all values greater than or equal to 0
d) symmetrical with a mean of 0

Q4) The analysis of variance produces SSwithin = 40 and SStotal = 70. In this analysis, determine the value of SSbetwen?

a) 110
b) 40
c) 30
d) can't be determined without extra information

Q5) Results of analysis of variances produce SSbetween = 20, SSwithin = 30, and F-ratio with df = 2, 15. For this analysis, determine the F-ratio?

a) 10/2 = 5.00
b) 20/30 = 0.67
c) 2/10 = 0.20
d) 30/20 = 1.50

Reference no: EM1319286

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