Currently this is what I'm working on with a clustered bar graph and both 15 and 16 problems.

For comparisons involving more complicated data, a clustered bar graph can be used. This allows us to compare data values for information in multiple categories on one graph. The sample below illustrates the daily trade volume for three large tech companies on the NASDAQ market for a five-month period in 2015. Daily Average Shares Traded in Millions, 2015 90 80 70 60 50 40 30 20 10 Jun Jul Aug Sep Oct Apple Microsoft Intel 15. Which company had the greatest variance in trade volume over that period? Write a sentence. 16. Which company had the most consistent trade volume? Write another sentence