Problem Set Section 2C Directions: The following two-way was created from the Math 075 Survey Data Fall 2015 and describes the student’s favorite social media and whether or not they have a tattoo. Use the table to find the given proportions and percentages. Write your answers as a fraction, decimal and as a percentage. To convert proportion into percentage, multiply by 100%. Facebook Instagram Other Snapchat Twitter Total No 68 103 31 84 80 366 Tattoo Yes Has a 33 39 10 16 13 111 Tattoo Total 101 142 41 100 93 Total = 477 Basic Proportions 1. What percent of the students have a tattoo? 2. What proportion of the students prefer Snapchat? 3. What percent of the students do not have a tattoo? 4. What proportion of the students prefer Instagram? Joint Proportions “AND” 5. What percent of the students both have a tattoo and prefer Facebook? 6. What proportion of the students do not have a tattoo and prefer Twitter?
Problem Set Section 2C Directions: The following two-way was created from the Math 075 Survey Data Fall 2015 and describes the student’s favorite social media and whether or not they have a tattoo. Use the table to find the given proportions and percentages. Write your answers as a fraction, decimal and as a percentage. To convert proportion into percentage, multiply by 100%. Facebook Instagram Other Snapchat Twitter Total No Tattoo 68 103 31 84 80 366 Yes Has a Tattoo 33 39 10 16 13 111 Total 101 142 41 100 93 Total = 477 Basic Proportions 1. What percent of the students have a tattoo? 2. What proportion of the students prefer Snapchat? 3. What percent of the students do not have a tattoo? 4. What proportion of the students prefer Instagram? Joint Proportions “AND” 5. What percent of the students both have a tattoo and prefer Facebook? 6. What proportion of the students do not have a tattoo and prefer Twitter?
Ch2_Intro_to_data_analysis_1st_ed_Oct_2017.docx