Welcome to the QuickBooks Community, drgjskinner. Please know that we aim to deliver customer satisfaction at all times and address or fix an issue as soon as possible. With this, may I ask for additional information or screenshot on which part of QuickBooks you've seen the wrong total when you use shift to highlight a number of lines? Also, further details on what are you trying to achieve in QuickBooks? I appreciate any further details so I can present accurate information.
For now, refer to this article to see steps on how you can run a specific report that'll reflect all payments made to vendors: Run a report with vendor totals.
Don't hesitate to add a comment below and add extra details about your concern, drgjskinner. I'm always here to assist you.