A Study Was Designed to Investigate the Effects of Two

question 38

Essay

A study was designed to investigate the effects of two variables - (1) a studentʹs level of mathematical anxietyand (2) teaching method - on a studentʹs achievement in a mathematics course. Students who had a low levelof mathematical anxiety were taught using the traditional expository method. These students obtained a meanscore of 360 and a standard deviation of 50 on a standardized test. Find and interpret the z-score of a studentwho scored 380 on the standardized test.

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Definitions:

1876

The year marked by significant events such as the centennial of the United States and the disputed presidential election between Rutherford B. Hayes and Samuel J. Tilden.

Freedpeople

Former slaves who were emancipated during and after the American Civil War.

Reconstruction Era

The period from 1865 to 1877 following the Civil War, focused on rebuilding the United States and integrating formerly enslaved people into society.

Free Labor System

An economic system where workers are not forced or coerced into labor but are paid for their work and can choose their employment.