medium · Enhanced ACT Mathematics
Two groups of data are compared. Group A has a mean of 50 and a standard deviation of 2. Group B has a mean of 50 and a standard deviation of 10.
Which of the following is a valid conclusion?
- The data points in Group B are generally more spread out from the mean than those in Group A.
- The data points in Group A are generally more spread out from the mean than those in Group B.
- Group B must have a higher maximum value and a lower minimum value than Group A.
- The sum of the values in Group B is five times larger than the sum of the values in Group A.
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