A study was designed to investigate the effects of two variables -(1)a studentʹs level of
mathematical anxiety and (2)teaching method - on a studentʹs achievement in a
mathematics course. Students who had a low level of mathematical anxiety were taught
using the traditional expository method. These students obtained a mean score of 300 and
a standard deviation of 50 on a standardized test. Find and interpret the z-score of a
student who scored 440 on the standardized test.

Question

Quizplus · Accepted Answer

The Answer of A study was designed to investigate the effects of two variables -(1)a studentʹs level of
mathematical anxiety and (2)teaching method - on a studentʹs achievement in a
mathematics course. Students who had a low level of mathematical anxiety were taught
using the traditional expository method. These students obtained a mean score of 300 and
a standard deviation of 50 on a standardized test. Find and interpret the z-score of a
student who scored 440 on the standardized test.

A Study Was Designed to Investigate the Effects of Two