Age Group Movie Attendance Display these data in a bar graph. Describe what 18 to 24 years 83% you see 25 to 34 years 73% Would it be correct to make a pie chart of these 35 to 44 years 68% data? Why or why not? 45 to 54 60% A movie studio wants to know what percent of 55 to 64 years 47% the total audience for movies is 18 to 24 years 65 to 74 years 32% old. Explain why these data do not answer this 75 years and over 20% question. 5. Popular colors- here and there. Favorite vehicle colors may differ among countries. The comparative bar graph shows data on the most popular colors of cars in 2008 for the United States and Europe. Write a few sentences comparing the two distributions. Here are data from a survey conducted at eight high schools on smoking among Smoking by students and parents. students and their parents. Neither Parent Smokes One Parent Smokes Both Parents Smoke Student does not smoke 1168 1823 1380 Student smokes 188 416 400 How many students are described in the table? What percent of these students smoke? Give the marginal distribution of parents’ smoking behavior (give your answer in a percentage) Calculate three conditional probabilities (as percentages) of students’ smoking behavior: one for each of the three parental smoking categories. Describe the relationship between the smoking behaviors of students and their parents in a few sentences. (Hint: is the probability Student does not smoke given Neither parent “what Smokes”…. Ect…)
Age Group Movie Attendance 18 to 24 years 83% 25 to 34 years 73% 35 to 44 years 68% 45 to 54 60% 55 to 64 years 47% 65 to 74 years 32% 75 years and over 20% Display these data in a bar graph. Describe what you see Would it be correct to make a pie chart of these data? Why or why not? A movie studio wants to know what percent of the total audience for movies is 18 to 24 years old. Explain why these data do not answer this question. 5. Popular colors- here and there. Favorite vehicle colors may differ among countries. The comparative bar graph shows data on the most popular colors of cars in 2008 for the United States and Europe. Write a few sentences comparing the two distributions. Smoking by students and parents. Here are data from a survey conducted at eight high schools on smoking among students and their parents. Neither Parent Smokes One Parent Smokes Both Parents Smoke Student does not smoke 1168 1823 1380 Student smokes 188 416 400 How many students are described in the table? What percent of these students smoke? Give the marginal distribution of parents’ smoking behavior (give your answer in a percentage) Calculate three conditional probabilities (as percentages) of students’ smoking behavior: one for each of the three parental smoking categories. Describe the relationship between the smoking behaviors of students and their parents in a few sentences. (Hint: “what is the probability Student does not smoke given Neither parent Smokes”…. Ect…)
1.1_homework.docx