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 = ____.
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In N = 25 games last season, the college basketball team ave…
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 ____.
The range of the correlation coefficient is
The range of the correlation coefficient is
For a perfectly symmetrical distribution with µ = 30, what i…
For a perfectly symmetrical distribution with µ = 30, what is the most probable value for the mode?
In a related-samples t-test, what concept does the numerator…
In a related-samples t-test, what concept does the numerator of the t-ratio measure?
Assume that any mean difference is significant. Describe the…
Assume that any mean difference is significant. Describe the effects for the table below: B1 B2 A1 18 16 A2 22 20
A researcher reports t(12) = 2.86, p < .05 for a repeated-me...
A researcher reports t(12) = 2.86, p < .05 for a repeated-measures research study. How many individuals participated in the study?
A population has a mean of µ = 30. If 3 points are added to…
A population has a mean of µ = 30. If 3 points are added to each score, what is the mean for the new distribution?
A research report concludes that there are significant diffe…
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?
An analysis of variances produces dfbetween = 3 and dfwithin…
An analysis of variances produces dfbetween = 3 and dfwithin = 24. If each treatment has the same number of participants, then how many participants are in each treatment?