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What would the shape of distribution, mean and standard deviation of a distribution that every score is converted into a z-score?

For an experiment comparing two treatments with n = 10 scores in each treatment, which design would require the largest number of participants?

A researcher measures driving distance from college and weekly cost of gas for a group of commuting college students.  What kind of correlation is likely to be obtained for these two variables?

Under what circumstances will the chi-square test for goodness of fit produce a large value for chi-square?

For a repeated-measures study comparing three treatment conditions with a sample of 4 participants, what are the degrees of freedom for the repeated-measures F-ratio?

After conducting a two-tailed, one-sample t-test you find the critical t value is 2.045 while the t value you obtained for your sample is -3.61. Which of the following decisions could you make?

For the following frequency distribution, what is the proportion associated with X = 2?X         f5          24          43          12          3

For the following frequency distribution, what is the value of ΣX? X f 5 2 4 4 3 1 2 3

A researcher performs a hypothesis test using an independent-samples t statistic and the results are reported as follows: “t(30) = 3.25, p < .05.” Based on this report, how many individuals were in the sample?

What is the critical value for factor B in a Factorial ANOVA with N=44, 6 levels for factor A and 5 levels for factor B, and an alpha level of 0.05?