Blog

An independent-measures study produces sample means of M1 = 35 and M2 = 31 and a pooled variance of 25.  For this study, Cohen’s d = ____.

In N = 25 games last season, the college basketball team averaged µ = 76 points with a standard deviation of s = 6.  In their final game of the season, the team scored 89 points.  Compared to the last season average points, the number of points scored in the final game was ____.

For a perfectly symmetrical distribution with µ = 30, what is the most probable value for the mode?

For an experiment involving 2 levels of factor A and 3 levels of factor B with a sample of 5 in each treatment condition, what is the value for dfwithin?

The sum of the squared deviation scores is SS = 20 for a sample of n = 5 scores.  What is the variance for this sample?

A research report concludes that there are significant differences among treatments, with “F(2, 27) = 8.62, p < .01.”  If the same number of participants was used in all of the treatment conditions, then how many individuals were in each treatment?

The relationship between a statistic and a parameter is the same as the relationship between ____.

For a perfectly symmetrical distribution with µ = 30, what is the most probable value for the mode?

In a two-factor ANOVA, what is the implication of a significant AxB interaction?

If other factors are held constant, which of the following sets of data is most likely to produce a significant value for the repeated-measures t statistic?