A University Wants To Know More About The Knowledge Of Students Regarding International Events The Are Concerned That T 1 (66.33 KiB) Viewed 78 times
A University Wants To Know More About The Knowledge Of Students Regarding International Events The Are Concerned That T 2 (49.15 KiB) Viewed 78 times
A university wants to know more about the knowledge of students regarding international events. The are concerned that their students are uninformed in regards to news from other countries. A standardized test is used to assess students knowledge of world events with a national reported mean=65, and standard deviation =5. A sample of 30 students are tested with a sample mean=58, Compute a 95% percent confidence interval based on this sample's data. We have 95% confidence that the interval, 56.85 points << 59.15 points, will contain the score of all students on the test. We have 95% confidence that the interval, 56.21 points < μ< 59.79 points, will contain the score of all students on the test. We have 95% confidence that the interval, 63.21 points < < 66.79 points, will contain the score of all students on the test.
We have 95% confidence that the interval, 56.85 points < μ< 59.15 points, will contain the score of all students on the test. We have 95% confidence that the interval, 56.21 points < μ< 59.79 points, will contain the score of all students on the test. We have 95% confidence that the interval, 63.21 points <u< 66.79 points, will contain the score of all students on the test. We have 95% confidence that the interval, 28.85 points < u <31.15 points, will contain the score of all students on the test.
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!