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A researcher is conducting a chi-square test for independence to evaluate the relationship between gender and preference for three different designs for a new automobile.  Each individual in a sample of 30 males and 30 females selects a favorite design from the three choices. If the researcher obtains a chi-square statistic of X2 = 4.81, what is the appropriate statistical decision for the test?

What is the critical value for factor A in a Factorial ANOVA with N=46, 5 levels for factor A and 6 levels for factor B, and an alpha level of 0.01?

Which of the following accurately describes the effect of increasing the alpha level?

For a two-factor experiment with 2 levels of factor A and 3 levels of factor B and 10 subjects in each treatment condition, how many participants are in each level of factor B?

For the following data, what is the value of SSB?                    B1                    B2      A1       n = 5     M = 1    SS = 10        n = 5      M = 2     SS = 20      A2       n = 5     M = 1    SS = 10        n = 5      M = 4     SS = 20

A researcher uses analysis of variance to test for mean differences among three treatments with a sample of 12 in each treatment.  The F-ratio for this analysis would have what df values?

Last week Sarah had exams in Math and in Spanish.  On the Math exam, the mean was µ = 40 with σ = 5 and Sarah had a score of X = 45. On the Spanish exam, the mean was µ = 60 with σ = 8 and Sarah had a score of X = 68. For which class should Sarah expect the better grade?

What is the critical value for factor A in a Factorial ANOVA with N=46, 5 levels for factor A and 6 levels for factor B, and an alpha level of 0.01?

A population of N = 7 scores has a mean of 10. If one score with a value of X = 4 is removed from the population, what is the value for the new mean?

A researcher uses analysis of variance to test for mean differences among three treatments with a sample of 12 in each treatment.  The F-ratio for this analysis would have what df values?