A researcher obtains t = 2.35 for a repeated-measures study using a sample of n = 8 participants. Based on this t value, what is the correct decision for a two-tailed test?
Under what circumstances can a very small treatment effect b…
Under what circumstances can a very small treatment effect be statistically significant?
What value do you get for ΣX – 1 for the following data set:…
What value do you get for ΣX – 1 for the following data set: 1, 3, 5, 6
What is the critical value for factor A in a Factorial ANOVA…
What is the critical value for factor A in a Factorial ANOVA with N=77, 6 levels for factor A and 4 levels for factor B, and an alpha level of 0.05?
In a population of scores, X = 83 corresponds to z = –0.50 a…
In a population of scores, X = 83 corresponds to z = –0.50 and X = 93 corresponds to z = +2.00. What are the values for the population mean and standard deviation?
Assume that any mean difference is significant. Describe the…
Assume that any mean difference is significant. Describe the effects for the table below: B1 B2 A1 16 16 A2 22 20
In an independent-measures hypothesis test, what must be tru…
In an independent-measures hypothesis test, what must be true if t = 0?
Which of the following sets of data would produce the larges…
Which of the following sets of data would produce the largest value for an independent-measures t statistic?
An independent-measures research study compares three treatm…
An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment. For this study, the three sample means are, M1 = 1, M2 = 2, and M3 = 3. For the ANOVA, what value would be obtained for SSbetween?
A population has µ = 50. What value of s would make X = 55…
A population has µ = 50. What value of s would make X = 55 a central, representative score in the population that is closest to the mean?