I need the answer for question 2,4,6, and 8

2-1 Basic Skills and Concepts Statistical Literacy and Critical Thinking 1. Mcdonald's Dinner Service Times Refer to the accompanying table summarizing service Table for Exercise 1 times (seconds) of Mcdonald's dinners. How many individuals are included in the summary? Mcdonald's Dinner Service Times Is it possible to identify the exact values of all of the original service times? Time (sec) Frequency 2. Mcdonald's Dinner Service Times Refer to the accompanying frequency distribution. 60-119 What problem would be created by using classes of 60-120, 120-180. . . . . 300-360? 120-179 22 3. Relative Frequency Distribution Use percentages to construct the relative frequency dis- 180-239 14 tribution corresponding to the accompanying frequency distribution for Mcdonald's dinner 240-299 UI N service times. 300-359 4. What's Wrong? Heights of adult males are known to have a normal distribution, as de- scribed in this section. A researcher claims to have randomly selected adult males and mea- Table for Exercise 4 sured their heights with the resulting relative frequency distribution as shown here. Identify two Relative major flaws with these results. Height (cm) Frequency 130-144 23% 145-159 25% In Exercises 5-8, identify the class width, class midpoints, and class boundaries for the 160-174 22% given frequency distribution. Also identify the number of individuals included in the sum- 175-189 mary. The frequency distributions are based on real data from Appendix B. 27% 190-204 28% 5. 6. Age (yr) of Best Actress Age (yr) of Best Actor When Oscar Was Won Frequency When Oscar Was Won Frequency 20-29 29 20-29 30-39 34 30-39 28 40-49 14 40-49 36 50-59 3 50-59 15 60-69 5 60-69 6 70-79 1 70-79 1 80-89 1 7. 8. Blood Platelet Count Blood Platelet Count of Males Frequency of Females Frequency 0-99 100-199 25 100-199 51 200-299 92 200-299 90 300-399 28 300-399 10 400-499 0 400-499 0 500-599 2 500-599 0 600-699 1