Question

In 2013, approximately 1.6 million students took the Critical Reading portion of the SAT exam. which is administered multiple times throughout the year The mean score, the modal score, and the standard deviation were calculated to be 496, 430, and 115 , respectively: a)Determine the interval that reflects 95% of the Critical Reading scores_ b) Amy scored 715 on her Critical Reading portion of this SAT exam; What conclusion can YOU draw about Amy score?

Answer 1

496 + 2 (115) = 496 + 230

Explanation:

The standard deviation uses the mean, which is 496 in this example. About 95% of the data falls withinTWO standard deviations from the mean. Double 115 and you get 230.

Answer is 496 + 2 (115) = 496 + 230