A study effects of two variables (1) a student's level of mathematical anxiety was and (2) teaching method on a student's achievement in a mathematics 68% of designed course. Students who had a low level of mathematical anxiety were the to taught using the traditional expository method. These students obtained a mean score of 380 with a standard deviation of 30 on a standardized the test. Assuming a mound-shaped and symmetric distribution, in what score?
A study was designed to 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 level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of 380 with a standard deviation of 30 on a standardized test. Assuming a mound-shaped and symmetric distribution, in what 68% of the score?
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