Do teachers find their work rewarding and satisfying?The article Work-Related Attitudes (PsychologicalReports, 1991: 443450) reports the results of a surveyof 395 elementary school teachers and 266 high schoolteachers. Of the elementary school teachers, 224 saidthey were very satisfied with their jobs, whereas 126 ofthe high school teachers were very satisfied with theirwork. Estimate the difference between the proportion ofall elementary school teachers who are very satisfied andall high school teachers who are very satisfied by calculatingand interpreting a CI.

Sergio Gonzalez STAT 241 Chapter 1 Statistics- the art and science of designing studies and analyzing the data that those studies p roduce. Population- ALL individuals or objects in which we are interested ( ex. U.S population ) Sample- small part of population of who we have info about...