Determining the value of df total

Assignment Help Basic Statistics

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 df_between = 3 and df_within = 24. For this analysis, determine df_total?

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 df_between
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 SS_within = 40 and SS_total = 70. In this analysis, determine the value of SS_betwen?

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

Q5) Results of analysis of variances produce SS_between = 20, SS_within = 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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