A college professor had students keep a diary of their social interactions for a week
Chapter 12, Problem 14(choose chapter or problem)
A college professor had students keep a diary of their social interactions for a week. Excluding family and work situations, the number of social interactions of ten minutes or longer over the week is shown in the following grouped frequency distribution. Use this information to solve Exercises 9–16.
How many students had at most 14 social interactions for the week?
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