Question

112 Exploring Data with Tables and Graphs 2-1 Basic Skills and Concepts Statistical Literacy and Critical Thinking summarizing service 1. McDonald's Dinner Servic ise 1 rvice Times equency McDonald's Dinner Service Times Refer to the accompanying table summarizing ser mes (seconds) of McDonald's dinners. How many individuals are included in the summer possible to identify the exact values of all of the original service times? 2. McDonald's Dinner Service Times Refer to the accompanying frequency distributie What problem would be created by using classes of 60-120, 120-180,.... 300-360? NÀN 3. Relative Frequency Distribution Use percentages to construct the relative frequency tribution corresponding to the accompanying frequency distribution for McDonald's din service times. 5 se 4 4. What's Wrong? Heights of adult males are known to have a normal distribution, as da scribed in this section. A researcher claims to have randomly selected adult males and me sured their heights with the resulting relative frequency distribution as shown here. Identify twe major flaws with these results. elative quency 23% 25% 22% 7% 8% In Exercises 5-8, identify the class width, class midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the sum- mary. The frequency distributions are based on real data from Appendix B. Frequency Frequency 29 Age (yr) of Best Actress When Oscar Was Won 20-29 30-39 40-49 50-59 60-69 70-79 80-89 Age (yr) of Best Actor When Oscar Was Won 20-29 30-39 40 49 50-59 60-69 70-79 Frequency Frequency 25 92 51 Blood Platelet Count of Males 0-99 100-199 200-299 300-399 400-499 500-599 600-699 Blood Platelet Count of Females 100-199 200-299 300-399 400-499 500-599