Can I get the answer back as soon as possible please

QUESTION 3 A test of abstract reasoning is given to a random sample of students before and after they completed a formal logic course. The researchers want to see if there is a difference in mean scores before and after the logic course. The results are given below. Assume the samples are simple random samples, and the pairs of values are from a population having a distribution that is approximately normal. Before 74 83 75 88 84 63 93 84 91 77 After 73 77 70 77 74 67 95 83 84 75 Answer the following: a. Find d-bar b. What is n, the sample size? c. Is this an independent or dependent sample do. Identify the null hypothesis and the alternative hypothesis. e. What is the equation you would use to find the test statistic? Note: Write out the equation; do not fill in any of the numbers