1. A researcher would like to determine the average reading ability of third-grade students in the local school district
Posted: Wed Jul 06, 2022 12:09 pm
1. A researcher would like to determine the average reading ability of third-grade students in the local school district. A sample of n=5 students is selected and each student takes a standardized reading test. The average score for the sample means is = 72 with SS=2,400. What is the confidence interval for the population mean? a. Calculate the standard error (SE) (4 pts) Show your work. (Hint: You need to calculate the standard deviation first) b. Calculate the 99% confidence interval (show your work). Show your work (3 pts). c. Interpretation (3 pts)