The smallest score in a population is X = 5 and the largest score is X = 10.  Based on this information, you can conclude that ____.

A researcher has changed the alpha value from α = .05 to α = .01 for his study. What impact will this have?

Two scores are recorded for a sample of n = 5 participants. Find  ΣX + ΣY (sigma X plus sigma y). . Subject            X         Y            1          3          2            2          3          6            3          8          2            4          1          5            5          0          1

For an ANOVA, what is the expected value for the F-ratio when the null hypothesis is true?

For a study comparing two treatment conditions, an independent-measures design would obtain ____ score(s) for each subject and a repeated-measures design would obtain ____ score(s) for each subject.

A population distribution has s = 6.  What position in this distribution is identified by a z-score of z = +2.00?

A sample of n = 6 scores has a mean of M = 5.  One person with a score of X = 12 is added to the distribution.  What is the mean for the new set of scores?

A researcher is using a repeated-measures design to test for mean differences among four treatment conditions.  If the data for this study consist of 10 scores in each treatment, then how many subjects participated in the study?

Over the course of a semester, eight students take their exams with Essential Oil Blend 1 being diffused in the testing area during Exam 1, Essential Oil Blend 2 during Exam 2, and Essential Oil Blend 3 during Exam 3. What is the dfWithin Groups for the ANOVA hypothesis test?

Two samples, each with n = 9 scores, produce an independent-measures t statistic of  t = 2.00.  If the effect size is measured using r2, what is the value of  r2?