A weighted average is a more accurate measurement of scores or investments that are of relative importance to each other. This is often the case with investment portfolios, grade scoring and other statistics. You can find out how to calculate weighted averages. 1. Sit down with your data, a piece of paper and a pencil.
To specify the boot sequence: 1  Start the computer and press ESC, F1, F2, F8 or F10 during the initial startup screen. 2  Choose to enter BIOS setup. 3  Use the arrow keys to select the BOOT tab.  To give a CD or DVD drive boot sequence priority over the hard drive, move it to the first position in the list.
2 Change BIOS Settings. 1  Turn on your locked computer. 2  Use the arrow keys to select the BOOT tab, then change the Boot Device Priority: Set 1st Boot Device to CDROM so you can boot from the CD, or choose Removable Device if you want to boot off a USB flash drive. 3  Press F10 to save your changes.