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Sewanhaka High School Math 8 Per:______________ Name:___________________________________ Mrs. Lidowsky, Principal Mr. Long, Teacher Date:________________________ H.W. #69: Ditto 3) Express the following percent as a fraction in simplest form: 15% ANS. for 3: 4) Express 1 8 as a percent ANS. for 4: __ DO-NOW #69: Answer the following questions: Topic: Statistics Main Idea: Two-Way Tables Aim: RECALL Relative frequency is the ratio of the value of a subtotal to the value of the total. What is the relative frequency of a student that is on the honor roll and plays a sport to all students that are on the honor roll? Is there evidence that students that play sports are also on the honor roll? Explain. What is a two-way table? NOTES How can I take that same information from the Venn Diagram and make it into a two-way table? Felipe surveyed students at his school. He found that 78 students own a cell phone and 57 of those students own an MP3 player. There are 13 students that do not own a cell phone, but own an MP3 player. Nine students do not own either device. Construct a two-way table summarizing the data. From the previous problem, find and interpret the relative frequencies of students in the survey by row. From the previous problem, find and interpret the relative frequencies of students in the survey by column. There are 150 children at summer camp and 71 signed up for swimming. There were a total of 62 children that signed up for canoeing and 28 of them also signed up for swimming. Construct a two-way table summarizing the data. Drill: Answer the following questions. Show work. Summary: