In an experimental study:

A sample of n = 4 scores has SS = 60.  What is the variance for this sample?

Which of the following is an accurate definition of a Type I error?

What is the value of (ΣX)2 for the following scores?  Scores: 1, 0, 2, 4

A researcher reports an F-ratio with df = 1, 24 for an independent-measures experiment.  If all the treatments had the same number of participants, then how many individuals were in each treatment?

If SS=5000 for a study that enrolled 51 people, what is the estimated standard error?

Which of the following confidence intervals also indicates a significant difference between treatments with alpha = .05?

Which of the following statements cannot be true for a distribution of scores?

The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of 7 participants in each treatment.  Note that several values are missing in the table.  What is the missing value for SStotal?Source         SS        df      MSBetween      20      xx      xx      F = xxWithin           xx      xx        2Total               xx      xx            

Which of the following is an accurate definition of a Type I error?