Calculate the 90% confidence interval for a sample of N = 25 with a mean 
= 2.75 and standard deviation (s) = .93.
a. 90% CI = 2.75 ± .33
b. 90% CI = 2.75 ± .53
c. 90% CI = 2.75 ± 1.90
d. 90% CI = 2.75 ± .39
a. 90% CI = 2.75 ± .33
You might also like to view...
Children with learning disabilities often have difficulties with foundational math skills
Indicate whether the statement is true or false.
According to Bloom’s taxonomy, which is the best way to evaluate the soundness of a study?
a. Design a similar study. b. Summarize its findings. c. Critique its methodology. d. Sort its findings into categories.
School culture are deeply rooted in the institutional beliefs in the
a. inadequate training of beginning teachers. b. lack of shared decision-making from all stakeholders. c. collective development of the school mission. d. All of the above
Answer the following statement(s) true (T) or false (F)
A professor measures the number of review sessions attended per week and GPA in a sample of college freshmen and concludes that increased attendance for review sessions is related to higher grades. This research design is an example of an experimental design.