10. Identify the midpoint of the third class Weight (1bs) Freq 140 - 144 4 145 -149 11 150 - 154 15 155 - 159 8 11.Identify the Class width Weight (Ibs.) Freq a. 140 - 145 4 b. 146 - 151 11 152-157 15 158 - 163 812. The mean is rounded to the nearest? a. 10th c. 100th b. 1000th d. Nearest whole #13. The formula for Width is? a.High # - Low # 0 Range ' # of Classes b.ztxm*f) d. thm*f) 11. W 14. The Symbol for Sum is? a. n b. 2 0. Km d. u 15. The Symbol for Total Frequency is? a. n b. 2 0. Km (1. u 16. The Formula for Mean of a Grouped Frequency Distibuiton is? Range a. High # - Low # C. # of Classes b. E(Xm *f) d. E(Xm *f) n W17. . The Symbol for Midpoint is? a. n b. E C. Xm d. u 18. The Formula for Midpoint (Xm) is? a. High # - Low # Range C. # of Classes b. E(Xm *f) d. Low Lim+Upper Lim) n 219. What is the correct x-axis and y-axis for a Histogram? a. X-axis = Class Bound & y-axis = Frequency b. x-axis = Frequency & y-axis = Class Bound c. X-axis = Midpoint & y-axis = Cumlitive Frequency d. x-axis = Class Bound & y-axis = Cumlitive Frequency 20. Which of the following is the correct x-axis and y-axis for a Frequency Polygon a. X-axis = Class Bound & y-axis = Frequency b. x-axis = Frequency & y-axis = Class Bound c. X-axis = Midpoint & y-axis = Frequency d. x-axis = Midpoint & y-axis = Cumlitive Frequency21. Which of the following is the correct x-axis and y-axis for a Cumulitive Frequency Graph (Ogive)? a. X-axis = Class Bound & y-axis = Frequency b. x-axis = Frequency & y-axis = Class Bound c. X-axis = Midpoint & y-axis = Cumlitive Frequency d. x-axis = Class Bound & y-axis = Cumlitive Frequency22. When nding Class Boundaries you... a. Subtract .5 to the lower limits and add .5 to the upper limits b. Add .5 to the lower limists and add .5 to the upper limits c. Add .5 to the lower limits and subtract .5 to the upper limits d. Subtract .5 to the lower limits and subtract .5 to the upper limits 23. Identify the total frequency of the given distribution. Weight (1135.) 38 140 145 40 146 151 152 157 158 - 163 c. 16 d. none of the given 24. The formula for Range is? Range a. High # - Low # C. # of Classes b. E(Xm *f) d. (Low Lim+Upper Lim) n 2 25. Another name for Cumulitive Frequency Graph is? a. Frequency Polygon c. Histogram b. Pie Graph d. Ogive