What term ls used to describe the shape of a frequency distribution In which most of the people got relatively low scores and the 'tall' of the curve was to the rightiI A. Symmetrical B. Positively skewed (2. Normal D. Negatively skewed Almost all of the students in a History class seemed to think the midterm exam was extremely difficult and they thought they did very poorly on the midterm exam. If they are correct, what is the most likely shape for the frequency distribution of exam scores? A. Symmetrical B. Negatively skewed C. Positively skewed D. Normal What is the shape of the frequency distribution shown here? A. Symmetrical x f B. Positively skewed 5 3 C. Negatively skewed 4 14 D. Either b or c 3 5D 2 14 1 3 What is the shape of the frequency distribution shown here? A. Positively skewed I f B. Negatively skewed 5 29 (2. Random 4 23 D. Symmetrical 3 15 2 B 1 If What is the MEAN for the following 9 scores? Scores: 9, B, 6, 5, ti, 9, T, B, 5 unpla- manual: 10. A limitation or disadvantage of the MEAN is that it is sensitive to extreme scores [outliers] in skewed distributions. A. True B. False 11. What is the MEAN for the scores in the frequech distribution shown here? A. 2.90 K I B. 2.59 C. 2.95 D. 2.91 I-INUul-hl HIGH-hm 12. What is the MEAN for the scores in the frequents;f distribution shown here? A. 2.63 g f B. 2.65 C. 2.62 D. 2.1? FINN-hm morn-4mm 13. What is the MEDIAN for the following 9 scores? Scores: 3, A, 2, 3', 2, 3. 5, T, 9 F521"? mutua- 1d. What is the MEDIAN for the following 8 scores? Scores: 11, 15. 25, E. 1?, 13, 4,. 24 A. 15 B. 16.50 C. 14 D. 13.50 15. What is the MEDIAN for the scores In the frequency distribution shown here? 31 Poe? woo-hm HMW-u'l NEH-hm 16. What is the MODE for the following 10 scores? Scores: 4, 2, B, 6, 4, 1, 2, 4, 3, 6 use? GEN-hid 1?. What is the MODE for the scores in the frenuenour distribution shown here? A. 4 E f B. 3 5 25 C. 2 4 2? D. 5 3 23 2 29 13. Which of the following statements is TRUE? It is possible for a distribution to have two modes It is possible for a distribution to have two medians . It is possible for a distribution to have two means It is possible for a distribution to have two medians and two modes she? 19. What is the INTERQUARTILE RANGE for the following 13 scores: Scores: 13, 13, 24, 15, 44, 42, 25, 2?, 22, 34, 30, 23, 4D A. 19 B. 1? C. 16 D. 13 20. A sample of N = 9 students has a EX = 61 and EX2 = 433. For this sample, what is the standard deviation? Use the formula shown below. BE SURE TO ROUND OFF ALL DECIMALS TO 2 DECIMAL PLACES. A. 1.56 B. 2.44 C. 1.64 D. none of the above NEX' - (EX) S= N(N - 1)DESCRIPTIVE STATISTICS PROBLEM. Below is a list of quiz scores for 13 students who took a 10-point quiz. Using these 13 quiz scores, calculate the answers to items #21-#26 below. ROUND OFF ALL DECIMALS TO 2 DECIMAL PLACES AS SOON AS THEY OCCUR. Report just your answers. PLEASE number your answers. DO NOT SHOW any_calculations. DO NOT send any attachments or pictures. QUIZ SCORES: 6, 10, 3, 5, 6, 7, 2, 5, 4, 5, 10, 2, 9 21. Mean 22. Median 23. Mode 24. Range 25. Interquartile Range 26. Standard Deviation (as if a sample) using the formula shown below. DO NOT USE ANY OTHER FORMULA. NEX' - (EX) S = N(N - 1)