The standard deviationof test scores on a certain achievement test is . A random sampleof scores on this test had a meanof . Based on this sample, find a confidence intervalfor the true mean of all scores. Then complete the table below.
Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.
1. What is the lower limit of the 95% confidence interval? ___
2. What is the upper limit of the 95% confidence interval? ___
The solution answers the question(s) below.