Lab Review Ch 1-4 Saved 5 A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year 714 750 692 700 695 685 727 760 686 736 691 686 729 758 754 726 763 688 700 735 766 752 684 765 683 14.28 polnts Click here for the Excel Data File a. Find the mean, median and mode of this information. (Round your answers to 2 eBook decimal places.) Mean Median Mode References Click to select) b. What are the range and standard deviation? (Round your answers to 2 decimal places.) Range Standard deviation c. Use the Empirical Rule to establish an interval which includes about 95 percent of the observations. (Round your answers to 2 decimal places.) The interval is from $up to $