A researcher is interested in whether students who attend private elementary schools do better or worse on a standard test of intelligence than the general population of elementary school children. A random sample of 75 students at a private elementary school is tested and has a mean intelligence test score of 103.5. The average for the general population of elementary school children is 100 ( $\sigma$ = 15).
-Compute Z_obt.

Question

A researcher is interested in whether students who attend private elementary schools do better or worse on a standard test of intelligence than the general population of elementary school children. A random sample of 75 students at a private elementary school is tested and has a mean intelligence test score of 103.5. The average for the general population of elementary school children is 100 (

\sigma

= 15).
-Compute Z_obt.

Quizplus · Accepted Answer

The Answer of A researcher is interested in whether students who attend private elementary schools do better or worse on a standard test of intelligence than the general population of elementary school children. A random sample of 75 students at a private elementary school is tested and has a mean intelligence test score of 103.5. The average for the general population of elementary school children is 100 ($\sigma$ = 15). -Compute Z_obt.

A Researcher Is Interested in Whether Students Who Attend Private σ\sigmaσ

A Researcher Is Interested in Whether Students Who Attend Private $\sigma$