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What is the value of SS (sum of squared deviations) for the following sample?Sample:  1, 1, 1, 3

A study researched the average lifespan across breeds of fish. The study showed that Fish A has a longer average lifespan than Fish B. This is an example of:

A 95% confidence interval for the population mean ranges from 44 to 52. Based on this information:

A researcher conducted a two-tailed one-sample t-test (n = 25) and obtained a test statistic of 2.10. Using an alpha level of 0.05 , what should the researcher conclude?

A set of n = 15 pairs of X and Y scores has SSX = 10, SSY = 40, and SP = 30.  What is the slope for the regression equation for predicting Y from X?

A repeated-measures analysis of variance for a study comparing three treatment conditions with a sample of 10 participants, produces an F-ratio of F = 5.40.  For this result, which of the following is the correct statistical decision?

A sample of 100 people is classified by gender (male/female) and by whether or not they are registered voters.  The sample consists of 80 females and 20 males, and has a total of 60 registered voters.  If these data were used for a chi-square test for independence, what is the expected frequency for males who are registered voters?

What is stated by the null hypothesis for the chi-square test for independence?

A 95% confidence interval for the population mean ranges from 44 to 52. Based on this information:

For an independent-samples t statistic, increasing the number of scores in the sample will _____ r2.