A Factorial ANOVA has 8 levels for factor A and 4 levels for factor B and uses 5 participants in each treatment condition. What is the total number of participants needed for the study?

If two samples are selected from the same population, under what circumstances will the two samples have exactly the same t statistic?

Calculate the Z score given the following information. The mean = 70, the standard deviation = 4, and the raw score = 86

To what measurement scale does the variable ‘colors’ belong to?

The first sample from an independent-measures study has n = 9 with a variance of s2 = 35. The second sample has n = 3 and s2 = 40. What is the df value for the t statistic?

A researcher used a sample of n = 60 individuals to determine whether there are any preferences among four brands of pizza.  Each individual tastes all four brands and selects his/her favorite.  If the data are evaluated with a chi-square test for goodness of fit using a = .05, then how large does the chi-square statistic need to be to reject the null hypothesis?

Carter’s z-score on his math test was -4. The mean score for the math test was 68 with a standard deviation of 5. What was Carter’s raw score?

A repeated-measures experiment and a matched-subjects experiment both produce t statistics with df = 20. Which experiment used more participants?

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In a related-samples t-test, what concept does the denominator of the t-ratio measure?