Test: Final Practice Test ab St Submit test point(s) possible RIO SAL A MARICC a. Use the one-mean t-interval procedure with the sample mean, sample size, sample standard deviation, and confidence level given below to find a confidence interval for the mean of the population from which the sample was drawn. SC b. Obtain the margin of error by taking half the length of the confidence interval. My Courses c. Obtain the margin of error by using the formula to /2" In SCO Course Hom x = 29 n = 25 S = 4 confidence level = 90% SCO Assignment Click here to view Page 1 of the table of t-values with area alpha to its right. Click here to view Page 2 of the table of t-values with area alpha to its right. StatCrunch score eText Conte a. The 90% confidence interval about u is to score (Round to three decimal places as needed.) Student Gra b. The margin of error found by taking half the length of the confidence interval is score Study Plan (Round to three decimal places as needed.) c. The margin of error found by using the formula is score Video & Res Library (Round to three decimal places as needed.) score Additonal M Accessible Resources 2.13% Purchase Of