Video: When to Use z-test or t-test? Video: z-test example. Video: t-test example. A survey of 85 randomly selected stud
Posted: Wed Jul 06, 2022 12:11 pm
Video: When to Use z-test or t-test? Video: z-test example. Video: t-test example. A survey of 85 randomly selected students finds that they spend a mean of $360 per semester. Assume that the population standard deviation is $46 per month. Confidence Interval: What is the 99% confidence interval to estimate the population mean? Round your answers to two decimal places.