A survey of U.S. adults and teens (ages 1217) was administered by Pew Research April 29May 30, 2010, to determine the number of texts sent in a single day.

Number of Texts	Adults	Teens
None	273	23
1-10	1078	238
11-20	349	79
21-50	349	213
51-100	234	213
101+	253	281
source: pewinternet

(a) Construct a relative frequency distribution for adults. (b) Construct a relative frequency distribution for teens. (c) Construct a side-by-side relative frequency bar graph. (d) Compare the texting habits of adults and teens.