For staffing purposes, a retail manager wants to standardize the number of checkout lanes to stay open in a given shift. She believes that if the standard deviation of the hourly customer arrival rates is 8 clients or less, a fixed number of checkout lanes can be occupied without excessive wait time or idle time. However, before determining the number of cash registers (and therefore clerks) to be used, he must verify that the standard deviation of the arrival rates on page 422 does not exceed 8. As a result, a sample of 25 hourly client arrivals was compiled for this shift last week. Over which of the following aspects of life do middle-aged adults feel they have the least control? What is the result of the accusation that affirmative action programs unfairly punish white men? .