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
Correct Answer:
Verified
Correct Answer:
Verified
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