7. Using a spreadsheet software (Excel or Sheets), organize your data, and then calculate the standard deviation and variance. (APP 5) 8. Using a spreadsheet software (Excel or Sheets), create a Box - and - Whisker Plot. It does not matter if your Box - and - Whisker Plot is vertical or horizontal. Include a title and all labels for x and y axis. (APP 5) 9. Using a spreadsheet software (Excel or Sheets), create a Histogram. Set the interval size to 15 and group all grades under 45 together and group all grades above 90 together. Include a title and all labels for x and y axis. (TIPS 10)