Help please! Suppose the math department chair at a large state university wants to estimate the average overall rating, out of five points,that students taking Introductory Statistics gave their lecturers on their end-of-term evaluations. She selects a random sampleof 38 evaluations and records the summary statistics shown.Sample SampleSample standardPopulation standardStandardConfidencesizemeandeviationdeviationerrorlevelSC384.04141.05010.99030.160690%The department chair determines the standard error using o, the standard deviation calculated from all student evaluationssubmitted to her department. Assume the Statistics lecturers' ratings have the same standard deviation.Use this information to find the margin of error and the lower and upper bounds of a 90% confidence interval for µ, the meanoverall rating students gave their Introductory Statistics lecturers. Round your answers to the nearest hundredth.Margin of error =Lower bound =Upper bound = Complete the following sentence to state the interpretation of the department chair's confidence interval.Thethat theof the overall ratings givenonat the end of the termAnswer Bankprobability is 90%standard errorstandard deviationis 4.0414department chair is 90% confidentis between the lower and upper boundsthe student evaluations in the sampleall student evaluations of Statistics lecturersmeanconfidence interval

Name: Help please! Suppose the math department chair at a large state univer
Uploaded: 2024-03-20T07:07:37.000Z
Channel: Bartleby
Description: Help please! Suppose the math department chair at a large state university wants to estimate the average overall rating, out of five points,that students taking Introductory Statistics gave their lecturers on their end-of-term evaluations. She select