For the independent-measures t statistic, what is the effect of increasing the sample variances?
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A researcher reports an F_ratio with df = 2, 40 from a repea…
A researcher reports an F_ratio with df = 2, 40 from a repeated_measures ANOVA. How many subjects participated in this experiment?
For an analysis of variance comparing four treatments, MSbet…
For an analysis of variance comparing four treatments, MSbetween = 12. What is the value of SSbetween?
Correlation __________ imply causation.
Correlation __________ imply causation.
Which of the following confidence intervals also indicates a…
Which of the following confidence intervals also indicates a significant difference between treatments with alpha = .05?
A jar contains 10 red marbles and 30 blue marbles. A random…
A jar contains 10 red marbles and 30 blue marbles. A random sample of n = 3 marbles is selected from the jar. If the first two marbles are both blue, what is the probability that the third marble will be red?
In an experimental study:
In an experimental study:
A sample of n = 4 scores has SS = 60. What is the variance…
A sample of n = 4 scores has SS = 60. What is the variance for this sample?
Which of the following not used in an F-ratio for the two-fa…
Which of the following not used in an F-ratio for the two-factor analysis of variance?
A sample of n = 9 scores has a variance of s2 = 18. If the…
A sample of n = 9 scores has a variance of s2 = 18. If the scores were a population, what value would be obtained for the population variance?