Twenty-five adults reported the amount of time each spent exercising during a particular week. The results are summarized in the graph as follows: 5 respondents reported exercising for less than 1 hour, 3 respondents reported exercising for at least 1 hour but less than 2, and so on.
Based on the given information, use the drop down menus to most accurately complete the following statements.
The least possible values for the mean of the numbers of hours of exercising reported for the week is .
The number of respondents who exercised on average less than one-half hour per day during the week is between .