Warm Up: Get ready for your quiz Grab a calculator. Make sure your MAD HW, Practice A, and writing assignment is turned in. Quiz Topics Dot Plots Histogram Frequency Table Box plot (5-NUMBER SUMMARY) Mean, median, Mode, and Range Interquartile Range (IQR) Mean Absolute Deviation (MAD)

Quiz: You must show all your work DOT PLOT Interquartile Range (IQR) FREQUENCY TABLE MEAN ABSOLUTE DEVIATION (MAD) HISTOGRAM 5- NUMBER SUMMARY BOX PLOT OUTLIER MINIMUM Q1 Q2 Q3 MAX MEAN MEDIAN MODE RANGE Round to the nearest tenth. There is more than one mode. Once you are done turn it into the white bucket.

Warm Up How many people took the survey? How many students likes tap? How many students likes ballet? How many students like tap and ballet?

Two Way Table Components Marginal Relative Frequencies Joint Relative Frequencies Conditional Relative Frequencies

Joint and Marginal Frequencies How many people took the survey? What percentage of students likes tap? What percentage of students likes ballet? What percentage of students like tap and ballet?

Conditional Relative Frequencies Out of people who do not like ballet, what percentage of students likes tap? Out of people who like ballet, what percentage of students likes tap?

Pop Quiz Yes Driver’s License No Driver's License Yes Job 9 3 No Job 8 5 How many people are in the survey? What percentage of students have a job? What percentage of students have a job and a driver’s license? Out of the people who have a driver’s license, what percentage of students have a job?

Pop Quiz Yes Driver’s License No Driver's License Yes Job 9 3 No Job 8 5 How many people are in the survey? What percentage of students have a job? What percentage of students have a job and a driver’s license? Out of the people who have a driver’s license, what percentage of students have a job?

Class Data In your group, you will create a two way table for the class. You will need two separate categories Possible categories: Gender ___________ ___________ Book bag: _______ _________ __________ Create 2 questions about marginal relative frequency. (with answer) Create 2 questions about joint relative frequency. (with answer) Create 2 questions about conditional relative frequency. (with answer)

Warm Up: Pick up sheet from the front. You will need a calculator. Female Male Job 160 200 No Job 115 25 Label each question with conditional, marginal, or joint relative frequency. Determine the answer. Round to the nearest tenth. If a person is a female, what is the percentage of her having a job? If a person has a job, what is the probability of the person being female? What is the probability of being male and having a job? What is the percentage of being a female and having a job? What is the probability of being female? What is the probability of having a job?

Exit Ticket Female Male Job .32 .40 No Job .23 .05 There are 500 students in the class and above is the joint relative frequencies. What percentage of students are female? How many students are female and have a job? How many students have a job? How many students are female? 1. .55 55% 2. 160 students 3. 360 4. 275