Question: D Question 4 6 pts Suppose we perform pre and post tests at the beginning and end of a trial and record each individual's increase

D Question 4 6 pts Suppose we perform pre and post tests at the beginning and end of a trial and record each individual's increase or decrease on test performance as a value D. The average amount of improvement is D = 28, with a standard deviation of SD = 20. There are 25 individuals in the study. Find the value of t for a dependent samples t test. This question has been designed so that calculations resolve to whole numbers. Encountering long decimal or fractional values is an indication that you've made a mistake

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