51. Do teachers nd their work rewarding and satisfying?

The article Work-Related Attitudes (Psych.

Rep., 1991: 443—450) reports the results of a survey of 395 elementary school teachers and 266 high school teachers. Of the elementary school teachers, 224 said they were very satis ed with their jobs, whereas 126 of the high school teachers were very satis ed with their work. Estimate the difference between the proportion of all elementary school teachers who are satis ed and all high school teachers who are satis ed by calculating a CI.