The scores of eighth-grade students in a math test are normally distributed with a mean of 57.5 and a standard deviation of 6.5. from this data, we can conclude that 68% of the students received scores between and .

As given, the scores of eighth-grade students in a math test are normally distributed with a mean of 57.5 and a standard deviation of 6.5.

This means that around 68% of the distributed data lies within the ranges of -6.5 to +6.5 of the given standard deviation.

This implies to:

and

So, the range of scores lies between (51,64)

if you would like with a question it is easy to get an answer by including some or multi choice options

step-by-step explanation:

b and c are the correct answers.

good luck on the quiz! : d