Question
A researcher decides to collect some data to show how much on average public school teachers make in side jobs. She speaks to 1000 teachers
A researcher decides to collect some data to show how much on average public school teachers make in side jobs. She speaks to 1000 teachers and finds an average of $4000 with a standard deviation of $1200. What is the 95% confidence interval for the true average? Can you think of a reason why the standard deviation is so high?
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Combinatorial Geometry In The Plane
Authors: Hugo Hadwiger, Hans Debrunner, Victor Klee
1st Edition
048679993X, 9780486799933
