A college professor collected data on the number of hours sp…

A college professor collected data on the number of hours spent by his 100 students over the weekend to prepare for Monday’s Business Statistics exam. He processed the data by Excel and the following incomplete output is available. Mean 7 Sample Variance 7.84 Skewness 1.17 The median is most likely to be ________.

An analyst gathered the following information about the net…

An analyst gathered the following information about the net profit margins of companies in two industries:  Net Profit Margin   Industry A   Industry B   Mean     15.0 %     5.0 %   Standard deviation     2.0 %     0.8 %   Range     10.0 %     15 %   Compared with the other industry, the relative dispersion of net profit margins is smaller for Industry ________.