Which of the following statements. are true about the hoxplot Shown here? I. The distribution is skewed n'ght. ||. The interquartile range i5 about 8. III. The median i5 about 1D. 0 | only D II only C) "I only 0 I and II C) II and Ill . Question 31 The IQ scores of 50 students are given below. 111 90 86 104 118 100 105 115 103 102 113 96 104 96 102 106 90 91 101 115 118 1 119 115 115 85 118 107 112 112 106 112 119 106 105 101 97 85 111 104 117 104 107 94 (a) Construct a grouped frequency distribution for the data. Use 85-89 for the first class and use the same width for each subsequent class. Class Frequency 89 (b) Which of the following is the correct histogram for this data?Consider the boxplot below. 18 13 47 63 74 + + 10 20 30 40 50 60 70 80 data Q a. What quarter has the smallest spread of data? First Quarter Second Quarter O Third Quarter O Fourth Quarter b. What is that spread? C. Find the Inter Quartile Range (IQR): d. Which interval has the most data in it? O 33 - 47 O 18 - 33 50 - 63 62 - 74 e. What value could represent the 54th percentile? O 64 O 25 O 35[b) Which of the following is the correct histogram for this data? 14 a 20 15 Frequency 10 90 95 100 105 110 115 120 IO SCOPE a O a Frequency 84.589.594.599.31 04.109.314.319.5