Multiple Choice
A standardized test has a mean score of 500 points with a standard deviation of 100 points. Five studentsʹ scores are shown below.
Adam: 575 Beth: 690 Carlos: 750 Doug: 280 Ella: 440
Which of the students have scores within two standard deviations of the mean?
A) Adam, Beth, Carlos, Ella
B) Carlos, Doug
C) Adam, Beth, Ella
D) Adam, Beth
Correct Answer:

Verified
Correct Answer:
Verified
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