A survey was conducted on how many people go to the zoo by bus every week. They recorded this data on a picture graph shown here. Use the key and the graph to answer the questions below.
How many people went to the zoo on Monday?
How many people went to the zoo on Thursday?
How many people went to the zoo on Friday?
How many people went to the zoo this week?
It’s "Back to school" time and a shop recorded the number of pens they sold this week.
The pictograph shows the number of books a student read during each month.
Mr. Rodriguez recorded the number of pets owned by each of the students in his class. He found that $15$15 people had no pets, $19$19 people had one pet, $3$3 people had two pets and $8$8 people had three pets.
Write Mr. Rodriguez's results in the frequency table below.