Answer :
Final answer:
The standard deviation of the weights of the seven intramural team students, which measures the dispersion of the weights, is 9.7 lb. The answer is Option 4.
Explanation:
In mathematics, standard deviation is a measure of the amount of variation or dispersion of a set of values. To find the standard deviation of the weights of these students, you would first find the mean (average) of the weights, subtract each individual weight from the mean and square the result, find the mean of these squared differences, and then take the square root of that mean. Applying these steps to your data, you would find that the standard deviation is 9.7 lb, which corresponds to Option 4.
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