stats data bank stats data bank Question 61. You are given the following data set: 2 5 9 13 27. Which of the following statements is true? a. There are no outliers Save your time! Proper editing and formatting Free revision, title page, and bibliography Flexible prices and money-back guarantee ORDER NOW b. Only 27 is an outlier c. 2 and 27 are outliers d. 13 and 27 are outliers Make sure you submit a unique essay Our writers will provide you with an essay sample written from scratch: any topic, any deadline, any instructions. 100% ORIGINAL ORDER NOW e. None of the above are true statements 62. The following ages are those of 15 people interviewed at the Ster-Kinekor movie theatres in Canal Walk shopping centre: 12, 14, 15, 19, 19, 21, 27, 31, 32, 46, 53, 56, 57, 58, 59. What is the inter-quartile range? a. 54.5 b. 19 c. 22 d. 35.5 e. 59 63. The following values are the number of ice-creams sold by an ice-cream vendor on campus per day over a two-week period (the values have been sorted): 13, 14, 17, 17, 24, 26, 28, 29, 29, 31, 32, 38, 45, 57. The interquartile range is given by: a. 11 b. 15 c. 7 d. 32 e. 59 64. The following values are the number of ice-creams sold by an ice-cream vendor on campus per day over a two-week period (the values have been sorted): 13, 14, 17, 17, 24, 26, 28, 29, 29, 31, 32, 38, 45, 57. Which of the following statements is true? a. There are no outliers b. 13 and 57 are both outliers c. only 13 is an outlier d. only 57 is an outlier e. None of the above are true statements 65. The following values are the number of people buying laptop computers from a particular electronics shop per day over a two-week period (the values have been sorted): 13, 14, 17, 17, 24, 26, 28, 29, 29, 31, 32, 38, 45, 57. The interquartile range is given by: a. 11 b. 15 c. 7 d. 32 e. 57 66. The following values are the number of people buying laptop computers from a particular electronics shop per day over a two-week period (the values have been sorted): 13, 14, 17, 17, 24, 26, 28, 29, 29, 31, 32, 38, 45, 57. Which of the following statements is true? a. There are no outliers b. 13 and 57 are both outliers c. only 13 is an outlier d. only 57 is an outlier e. None of the above are true statements 67. Given the following data set: 3, 6, 8, 10, 12, 19, what is the inter-quartile range? a. 6 b. 9 c. 12 d. 21 e. 5 68. You are given the following data set: 15, 12, 11, 13, 10, 23, 16, 18, 11, 8. Find the values of the lower quartile, median, upper quartile and inter-quartile range respectively. a. (11, 12.5, 16, 5) b. (11, 13, 17, 6) c. (11, 12, 16, 5) d. (11, 12.5, 18, 7) e. None of the above 69. You are given the following data set: 15, 12, 11, 14, 10, 23, 17, 18, 11, 8. Find the values of the lower quartile, median, upper quartile and inter-quartile range respectively. a. (11, 12.5, 16, 5) b. (11, 13, 17, 6) c. (11, 12, 16, 5) d. (11, 12.5, 18, 7) e. None of the above 70. You are given the following data set: 15, 12, 11, 12, 10, 23, 16, 18, 11, 8. Find the values of the lower quartile, median, upper quartile and inter-quartile range respectively. a. (11, 12.5, 16, 5) b. (11, 13, 17, 6) c. (11, 12, 16, 5) d. (11, 12.5, 18, 7) e. None of the above 71. You are given the following data set: 15, 12, 11, 13, 10, 23, 19, 18, 11, 8. Find the values of the lower quartile, median, upper quartile and inter-quartile range respectively. a. (11, 12.5, 16, 5) b. (11, 13, 17, 6) c. (11, 12, 16, 5) d. (11, 12.5, 18, 7) e. None of the above 72. You have been given the following calculated values for a set of data containing x and y values: åx = 46,åy = 76,åxy = 473,åx2 = 284,åy2 = 794 and n = 8. What is the value of the sample correlation coefficient between x and y? a. 0.961 b. 0.965 c. 0.992 d. 0.934 e. 1.000 73. You have been given the following calculated values for a set of data containing x and y values: åx = 45,åy = 76,åxy = 473,åx2 = 284,åy2 = 794 and n = 8. What is the value of the sample correlation coefficient between x and y? a. 0.961 b. 0.965 c. 0.992 d. 0.934 e. 1.000 74. You have been given the following calculated values for a set of data containing x and y values: åx = 46,åy = 75,åxy = 473,åx2 = 284,åy2 = 794 and n = 8. What is the value of the sample correlation coefficient between x and y? a. 0.961 b. 0.965 c. 0.992 d. 0.934 e. 1.000 75. You have been given the following calculated values for a set of data containing x and y values: åx = 46,åy = 76,åxy = 472,åx2 = 284,åy2 = 794 and n = 8. What is the value of the sample correlation coefficient between x and y? a. 0.961 b. 0.965 c. 0.992 d. 0.934 e. 1.000 76. The marketing manager of a large supermarket chain would like to determine the effect of shelf space (X) on the sales (Y) of pet food. A random sample of 12 equal-sized stores is selected. Some calculations have been done for you: SSx = 375, SSy = 3.0025 and SSxy = 27.75. What is the value of the sample correlation coefficient? a. 0.83 b. 0.81 c. 0.80 d. 0.89 e. 1.00 77. The marketing manager of a large supermarket chain would like to determine the effect of shelf space (X) on the sales (Y) of pet food. A random sample of 12 equal-sized stores is selected. Some calculations have been done for you: SSx = 400, SSy = 3.0025 and SSxy = 28. What is the value of the sample correlation coefficient? a. 0.83 b. 0.81 c. 0.80 d. 0.89 e. 1.00 78. The marketing manager of a large supermarket chain would like to determine the effect of shelf space (X) on the sales (Y) of pet food. A random sample of 12 equal-sized stores is selected. Some calculations have been done for you: SSx = 375, SSy = 3.5 and SSxy = 29. What is the value of the sample correlation coefficient? a. 0.83 b. 0.81 c. 0.80 d. 0.89 e. 1.00 79. The marketing manager of a large supermarket chain would like to determine the effect of shelf space (X) on the sales (Y) of pet food. A random sample of 12 equal-sized stores is selected. Some calculations have been done for you: SSx = 375, SSy = 3.0025 and SSxy = 30. What is the value of the sample correlation coefficient? a. 0.83 b. 0.81 c. 0.80 d. 0.89 e. 1.00 80. A statistician wishes to examine the relationship between average monthly rainfall (in mm), x, and number of road accidents, y, in a particular city. The following calculations have been done for you:åx = 276,åx2 = 6982,åy = 193,åy2 = 3421,åxy = 4842 and n = 12. The coefficient of correlation between average monthly rainfall and number of road accidents is: a. 0.899 b. 0.969 c. 0.974 d. 0.977 e. 1.000