In a public library, the following observations were recorded by the librarian in a particular week:
| Days | Mon | Tues | Wed | Thurs | Fri | Sat |
|---|---|---|---|---|---|---|
| Newspaper Readers | 400 | 600 | 350 | 550 | 500 | 350 |
| Magazine Readers | 150 | 100 | 200 | 300 | 250 | 200 |
(a) Draw a double bar graph choosing an appropriate scale.
(b) On which day, the number of readers in the library was maximum?
(c) What is the mean number of magazine readers?
(a) Give the double bar graph here
(b) Thursday
(c) 200
(b) Max readers = 550+300 = 850 on Thursday.
(c) Mean = (150+100+200+300+250+200)/6 = 200.