A study was designed to investigate the effects of two variables,(1) a student\'

Question

A study was designed to investigate the effects of two variables,(1) a student's level of mathematical anxiety and (2) teaching method, on a student's achievement in a mathematics course. Students who had a low evel of mathematical anxiety were taught using the radiftional exposhory method. These students obtained a mean score of 360 with a standard deviaion of 50 on a standardzed test. Assuming a bell-shaped distribution, where would approximately 68% of the students score? O O O O between 260 and 460 below 310 or above 410 between 310 and 410 below 260 or above 460

Explanation / Answer

According to emprical rule 68% of the dat les in between mean-sd and mean+sd

given mean=360

sd=50

lies in between 360-50 and 360+50

lies in between 310 and 410

OPTION C

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