Explain questions 5,7,9,11
0% an ages PROBLEMS 63 4. Find each value requested for the distribution of 9. Describe the difference in appearance between a bar scores in the following table. graph and a histogram and describe the circumstances a. 7 b. EX in which each type of graph is used. c. EX 10. For the following set of scores: 8, 5, 9, 8 , 4, 10 , 6, X 9. 9 , 5 , 8 , 8 , 6 , 7 , 10 7 , a. Construct a frequency distribution table to organize ANN the scores. - N W AU b. Draw a frequency distribution histogram for these data. 11. A survey given to a sample of college students con- tained questions about the following variables. For each variable, identify the kind of graph that should be 5. For the following scores, the smallest value is X = 13 used to display the distribution of scores (histogram, and the largest value is X = 52. Place the scores in a polygon, or bar graph). grouped frequency distribution table, a. Number of brothers and sisters a. Using an interval width of 5 points. b. Birth-order position among siblings (oldest = 1s) b. Using an interval width of 10 points. c. Gender (male/female) 44, 19. d. Favorite television show during the previous 23, 17, 25, 47, 32, 26 year 25. 30. 18 , 24, 49. 51, 24, 13 43, 27 , 34, 16, 52. 12. Gaucher, Friesen, and Kay (2010) found that masculine- 18, 36. 25 themed words (such as competitive, independent, 6. The following scores are the ages for a random sample analyze, strong) are commonly used in job recruit- of n = 30 drivers who were issued speeding tickets in ment materials, especially for job advertisements in New York during 2008. Determine the best interval male-dominated areas. In a similar study, a researcher width and place the scores in a grouped frequency counted the number of masculine-themed words in job distribution table. From looking at your table, does advertisements for job areas, and obtained the follow- it appear that tickets are issued equally across age ing data. groups? 17, 30, 45, 20, 39, 53, 28, 19. Area Number of Masculine Words 24, 21, 34, 38, 22, 29, 64. Plumber 14 22, 44, 36, 16, 56, 20, 23, 58, Electrician 12 17 32, 25, 28 , 22, 51, 26, 43 Security guard Bookkeeper 9 7. For each of the following samples, determine the Nurse 6 interval width that is most appropriate for a grouped Early-childhood educator frequency distribution and identify the approximate number of intervals needed to cover the range of scores. Determine what kind of graph would be appropriate a. Sample scores range from X = 8 to X = 41 for showing this distribution and sketch the frequency b. Sample scores range from X = 16 to X = 33 distribution graph. c. Sample scores range from X = 26 to X = 98 8. What information is available about the scores in a regular frequency distribution table that you cannot obtain for the scores in a grouped table
