We have to either create a bar graph or a pie chart for these quesyions . why did we use that. we just mention here are the questions. can you help me with this please.

3.

Toby Hebert is Human Resource Manager at Crab Bayou Industries, the worlds largest wholesaler of frozen Cajun food. Toby and her management team are concerned about the companys hiring trends. A prospective employee complained about discriminatory hiring practices at Crab Bayou.

To prove that the company has not practiced discriminatory hiring practices, Toby has studied the last 11 years hires by age. She found that the average age per employee in 2006 was 48; in 2007, 51; in 2008, 47; in 2009, 52; in 2010, 45; in 2011, 47; in 2012, 42; in 2013, 39; in 2014, 42; in 2015 and 2016, 29 and 30, respectively (due to a large number of early retirements).

What type of visual aid should Toby use to convey this information? Explain your decision based on the criteria for graphics provided in this chapter. Create the appropriate visual aid.

4. Yasser El-Akiba is a member of his colleges International Students Club. Yasser is a native of Lebanon. Other members of the club are from other countries: three from Australia, two from Ecuador, eight from Mexico, five from Africa, two from England, three from Canada, four from the Dominican Republic, and nine from China.

What kind of visual aid could Yasser create to show his club members homelands? Defend your decision based on criteria for graphics in this chapter. Create the appropriate visual aid.