4. Salary distribution of 40 employees were tabulated. Find the D, , D. , D, and D. Salary No. of Employees 101-200 201-300 301-400 401-500 501-600 601-700 5. The following relative frequencies were obtained by entering freshmen students from a ce *ain school on the Scholastic Aptitude Test Scores Relative Frequency Test administered by Educational Testing 51-100 0.04 Service. Approximately what score must a 101-150 0.08 student have in order to enter the a) 151-200 0.10 75th percentile? b) 85th percentile? 201-250 0.20 251-300 0.33 301-350 0.15 351-400 0.05 401-450 0.03 451-500 0.02 6. Twenty candidates have applied for a high-paying job. The candidates were tested and they are rated according to their dancing ability, poise and overall acting. The judges' ratings were tabulated. Calculate the Pis , P., and P., and interpret the result. Rating Frequency 11-20 21-30 31-40. 41-50Percentiles, Deciles, and Quartiles The number of hours worked at a certain week by employees at San Pedro Manufacturing Plant have been grouped in the following frequency distribution. Determine Q, and Q, worked by all employees. Hours No. of Workers 36-40 7 41-45 15 46-50 36 51-55 18 56-60 13 A sample of 35 US residents who travel to the Philippines are in the following frequency distribution where data are based on the length of their stay. Compute the quartiles and interpret the result. Length of Stay (years) Frequency 1 - 8 10 9-16 12 17- 24 24 - 32 33 -40 -NWNUT 41 -48 49 -56 The table below shows the frequency distribution of grades on a final examination in College Algebra. Find the D, and D, of the distribution and interpret the result. Grades No. of Students 71-75 8 76-80 12 81-85 11 86-90 10 91-95 96-100