What is the result of comparing more than two groups with sequential t-tests?

What is the critical value for a repeated measures ANOVA with n=77, 6 levels for factor A, dfWG = 121, and an alpha level of 0.05?

If all other factors were held constant, how does a small variance affect the t-statistic?

A researcher is interested in Republican, Democratic, and Independent attitudes toward same-sex couples. Data was collected from 60 Republicans, 60 Democrats, and 60 Independents. Each person completed a survey that measured attitudes toward same-sex couples on a scale of -7 (very negative) to +7 (very positive). What test is most appropriate to use to analyze this data?

A researcher would like to evaluate the effect of three new reading program for second-grade students. For the school year, 1/4 of the second graders used program A, 1/4 used program B, 1/4 used Program C, and 1/4 used the current reading program. The researcher plans to use data from this study to test whether the new program has had a significant effect on reading scores. Which of the following hypothesis tests would be appropriate?

The values in the following matrix are treatment means from a two-factor study. One of the means is missing. What value for the missing mean would most likely result in main effect for factor A but not factor B?     B1 B2 A1 14 13 A2 6 ?

A sample of n = 100 scores is selected from a population with M = 80 with s = 20.  On average, how much error is expected between the sample mean and the population mean?

A sample of n = 8 scores has SS = 50.  If these same scores were a population, then the SS value for the population would be ____.

For a population with µ = 60, which of the following values for the population standard deviation would cause X = 68 to have the most extreme position in the distribution (i.e., furthest distance from the center of the distribution) ?

Which of the following z-score values represents the location closest to the mean?