A Study Was Designed to Investigate the Effects of Two

question 18

Multiple Choice

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 460 with a standard deviation of 40 on a standardized test. Assuming a bell-shaped distribution,where would approximately 68% of the students score?

• A) between 420 and 500
• B) between 380 and 540
• C) below 380 or above 540
• D) below 420 or above 500

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Definitions:

Unethical

Behavior or practices that are morally wrong or lacking in integrity.

Conclusions

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Advice or suggestions offered concerning prudent future actions, typically based on experience or knowledge.

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