Posted by **melanie** on Saturday, February 21, 2009 at 10:10pm.

1.Thompson Security has been hired to determine the number of visitors at Argon Mall on a typical 10-hour day. They counted

the number of people who entered the mall during three 1-hour spans on Wednesday, August 10. They entered the data into a

table as shown.

How can the data be used to determine the best estimate of the total number of visitors at the mall for a typical day?

What do you think is a reasonable estimate for the number of visitors for a typical day? Show your work.

Do you think Thompson Security could have used a better plan for their gathering of data? Explain your answer.

2. Janet’s math group is creating a circle graph to represent data they collected from a survey. They asked students at their

school the color of one car their family drives. They collected data from 200 students.

Describe a plan for Janet’s team to use to organize the data and to create the circle graph.

Time Number of Visitors

10:00-11:00 a.m. 543

1:00-2:00 p.m. 478

5:00-6:00 p.m. 650

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