Review: 1-sample t-Interval

Find the mean and standard deviation for the data set: {12, 8, 8, 9, 10, 15, 4}

If you want to construct a 90% confidence interval using a sample size of 20, what critical value should you use?

Find a 98% confidence interval for the average time to complete a task. Sample data set is: {12, 8, 8, 9, 10, 15, 4}

For the 3rd quarter project, Alan estimated the average rainfall in inches in cities in North America in 2024. His interval result is (28, 36).

What is the sample mean?

For the 3rd quarter project, Alan estimated the average rainfall in inches in cities in North America in 2024. His interval result is (28, 36).

What is the margin of error?

Copy down today's learning objective on your notes:

"Students will be able to conduct a 1-sample t-test."

Click "done" when you're ready to start today's lesson.