A research report describing the results from a repeated-mea…

A research report describing the results from a repeated-measures study states: The data show no significant difference between the two treatments, t(10) = 1.65, p > .05.  Based on this report, you can conclude that a total of ____ individuals participated in the research study .

A teacher wants to know whether the children in her class ar…

A teacher wants to know whether the children in her class are performing significantly better on a standardized math test compared to the national average. The national mean score is μ = 85, the national standard deviation is σ = 5, and the mean score in her class is M = 92.5. Use α = .05. What is the z-statistic in this test?