GO TO: THE DROPBOX AND UPLOAD YOUR WORK. MDM4U f1+ B – Statistics of Two Variables Assignment Answer all questions with full solutions. Make sure your work is legible, even after you have scanned it,...

I need every question and graph answered thoroughly correct, it is very important assignment


GO TO: THE DROPBOX AND UPLOAD YOUR WORK. MDM4U f1+ B – Statistics of Two Variables Assignment Answer all questions with full solutions. Make sure your work is legible, even after you have scanned it, and submit it as a single file. 1. Sketch a scatter plot that could represent data from each of the following. Label the axes to indicate the independent and dependent variable. a. people’s ages (starting at 20) and their reaction times b. size of a house and its price c. exposure to sunlight and the risk of heart attacks d. size of vocabulary and age (birth to 25 years old) e. oven temperature and the cooking time for a turkey (10 Marks) 2. A study was done with a group of university students to determine if there was a correlation between the amounts of sleep they got and their academic performance. The following table lists some data from the study. a. Make a scatter plot of the data. b. Using a spreadsheet, determine the PPMCC. c. What would you conclude about the relationship between the two variables? Student A B C D E F Hours of Sleep 6.0 6.5 7.0 6.5 8.5 8.0 Average Mark 62 58 66 71 76 82 Student G H I J K L Hours of Sleep 9.0 8.5 7.0 7.5 6.5 7.5 Average Mark 76 75 70 68 56 77 (10 Marks) 3. A recent study found that people who illegally download music spend more on music than those who don't. These findings are often cited as evidence that piracy does not harm music sales, and can even enhance them. Explain why the commonly reached conclusion to these findings may not be correct. Read the article online http://www.escapistmagazine.com/news/view/120147-Survey-Indicates-Music-Pirates-Are-Biggest-Music-Buyers (10 Marks) GO TO: THE DROPBOX AND UPLOAD YOUR WORK. 4. Give an example of each of the following types of causal relationships, fully explaining your suggestion: a. common-cause factor b. accidental relationship c. reverse cause and effect relationship. (10 Marks) GO TO: THE DROPBOX AND UPLOAD YOUR WORK. MDM4U f1+ B – Statistics of Two Variables Assignment Answer all questions with full solutions. Make sure your work is legible, even after you have scanned it, and submit it as a single file. 1. Sketch a scatter plot that could represent data from each of the following. Label the axes to indicate the independent and dependent variable. a. people’s ages (starting at 20) and their reaction times b. size of a house and its price c. exposure to sunlight and the risk of heart attacks d. size of vocabulary and age (birth to 25 years old) e. oven temperature and the cooking time for a turkey (10 Marks) 2. A study was done with a group of university students to determine if there was a correlation between the amounts of sleep they got and their academic performance. The following table lists some data from the study. a. Make a scatter plot of the data. b. Using a spreadsheet, determine the PPMCC. c. What would you conclude about the relationship between the two variables? Student A B C D E F Hours of Sleep 6.0 6.5 7.0 6.5 8.5 8.0 Average Mark 62 58 66 71 76 82 Student G H I J K L Hours of Sleep 9.0 8.5 7.0 7.5 6.5 7.5 Average Mark 76 75 70 68 56 77 (10 Marks) 3. A recent study found that people who illegally download music spend more on music than those who don't. These findings are often cited as evidence that piracy does not harm music sales, and can even enhance them. Explain why the commonly reached conclusion to these findings may not be correct. Read the article online http://www.escapistmagazine.com/news/view/120147-Survey-Indicates-Music-Pirates-Are-Biggest-Music-Buyers (10 Marks) GO TO: THE DROPBOX AND UPLOAD YOUR WORK. 4. Give an example of each of the following types of causal relationships, fully explaining your suggestion: a. common-cause factor b. accidental relationship c. reverse cause and effect relationship. (10 Marks)