a) What is the median? b) What is the first quartile? c) What is the third quartile? d) What is the interquartile range?Visits Frequency 0 up to 3 9 3 up to 6 21 6 up to 9 13 9 up to 12 4 12 up to 15 3 What is the class midpoint for the class with the greatest frequency? 4.Molly's Candle Shop has several retail stores in the coastal areas of North and South Carolina. Many of Molly's customers ask her to ship their purchases. The following chart shows the number of packages shipped per day for the last 100 days. For example, the first class shows that there were 5 days when the number of packages shipped was 0 up to 5. 30 28 23 18 Frequency 10 15 20 25 30 35 Number of Packages a) What is this chart called? Enter the letter corresponding to your answer. A. Bar chart B. Histogram C. Frequency Polygon b) What is the class interval? c) How many days were 20 up to 25 packages shipped? d) on how many days were 10 or more packages shipped? 5. sted below are the ages for 29 Academy Award winning best actors in order from smallest to largest. 18 21 22 25 26 27 29 30 31 33 36 37 41 42 47 52 55 57 58 62 64 67 69 71 72 73 74 76 771. The following data represent the ages (in years) of motorcyclists at the time they were fatally injured in traffic accidents: 17 38 27 14 34 16 42 28 24 24 20 23 31 37 51 21 30 25 Construct a stem-and-leaf display for the data (not to be submitted) and then answer the following question. a) Which of the following is an appropriate scale for the stem-and-leaf display? Enter the letter corresponding to your answer. A. 7 represents 1.7 years B. 7 represents 17 motorcyclists C. 7 represents 17 years b) Which of the following is the correct second row of the stem-and-leaf display? Enter the letter corresponding to your answer. 4 7 0 3 8 4 1 5 B. 0 13 4 4 5 7 8 2. The following data represent the ages (in years) of motorcyclists at the time they were fatally injured in traffic accidents 17 38 27 14 18 34 16 42 28 24 24 40 20 23 31 37 51 21 30 25 a) According to the "2 to the k" rule, how many classes should be used to organize this data into a relative frequency distribution. b) According to the number of classes determined by the "2 to the k rule", which of the following is an appropriate class interval? Enter the letter corresponding to your answer. A. 5 B. 6 C. 7 D. 8 3. The manager of the BiLo Supermarket in Mt. Pleasant, Rhode Island, organized information on the number of times a customer visits the store during a month into the following frequency distribution