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- Suppose that a publisher conducted a survey asking adult consumers the number of fiction paperback books they had purchased in the previous month. The results are summarized in the table below. # of books Frequency Relative Frequency 0 18 1 24 2 25 3 21 4 15 5 10 7 5 9 1 Part (a) Fill in the relative frequency for each group. (Round your answers to four decimal places.) # of books Frequency Relative Frequency 0 18 1 24 2 25 3 21 4 15 5 10 7 5 9 1 Part (b) Find the IQR and limits for outliers. IQR lower limit for outliers upper limit for outliers Using the IQR method, are there any outliers in the data? (Select all that apply.) Yes, the twenty-four values of 1 book.Yes, the eighteen data values of 0 books.Yes, the five data values of 7 books.Yes, the ten data values of 5 books.No, there are no outliers.Yes, the one data value of 9 books. Part (c) If a data…For this grouped data set: Scores | Frequencies 30-34 | 7 25-29 | 9 20-24 | 14 15-19 | 10 10-14 | 8 5-9 | 2 What is Q1, Q2, and Q3?C. The following data represent the average monthly temperatures for Washington, D.C. Month, x Average Monthly Temperature, °F 34.6 37.5 47.2 56.5 66.4 75.6 80.0 78.5 71.3 59.7 49.8 39.4 January, 1 February, 2 March, 3 April, 4 May, 5 June, 6 July, 7 August, 8 September, 9 October, 10 November, 11 December, 12 1) What is the regression equation for the average temperature in Washington, D.C.? 2) Find the predicted value for March of the following year.
- 8. (1 point) Construct a frequency polygon for the given data. Number of vacation days 1-5 6 - 10 11 - 15 16 - 20 21 - 25 Lv+ 9. (1 point) Use the bar graph below to answer the following questions. Number of People 10 9 8 S Number of employees 10 25 35 20 10 2 18 19 20 21 22 23 24 25 26 Age (years) (a) How many people were sur- veyed? (b) How many people were 25 years old?The ages of the 112 people who have a car injured are classified as follows: Class Frequency 20 0 - 9 10 - 19 21 20 - 29 30 - 39 40 - 49 50 - 59 60 69 70 - 79 80 - 89 23 16 11 10 7 3. 1 Find: 1- The mean 2- The median 3- The mode 4- Show the histogram graph.. The following tables given the frequency distribution of a number of peas per pea pod of 198pods. No. of peas 1 2 3 4 5 6 7 f 4 33 76 50 26 8 1 What is the median of the distribution? 3 b. 4 c. 5 d. 6 ____14. Which of the following is true? Mean = 3median -2 mode Median = 3mode – 2mean Mode = 2median – 3mean Mode = 3 median -2mean _____15. Marks obtained by 100 students in an examination are given in the table ; SI No. Marks Obtained (X) No. of Students 1 25 20 2 30 20 3 35 40 4 40 20 What would be the mean, median and mode of the marks obtained by the students? Mean 33 Median 35 Mode 40 Mean 35 Median 32.5 mode 40 Mean 33 Median 35 mode 35 Mean 35 median 32.5 mode 35
- The following data describes grades of students in physics. Complete the frequency table for this data. 91.3.96.7,91.4, 88.4.92.8, 96.7, 82.4, 87.3, 85.7, 95.2, 81.2, 93.2, 85.9, 84.9, 85.8, 83.5, 88.6, 82. I Determine the frequency of each class in the table shown. Grades of Students in Physics Class Frequency 78.0-81.9 82.0-85.9 86.0-89.9 90.0-93.9 94.0-97.9. For each the following cases, use the appropriate grouping method to :a. determine a frequency distribution.b. obtain a relative-frequency distribution.c. construct a frequency histogram.d. construct a relative-frequency histogram.• Number of Siblings. Professor Weiss asked his introductory statistics students to state how many siblings they have. The responses are shown in the following table.7. What is the mode on the graph below? a. 59 b. 5 C. 50 d. 3 70 60 50 40 30 20 10 1 2 3 4 5 6 7 8 9 10 8. For the following list of scores, what are the correct mean, median, & mode? Scores: 2, 10, 11, 9, 7, 5, 8 a. Mean: 7.43 Median: 8 Mode: no mode b. Mean: 5.13 Median: 5.5 Mode: 1 C. Mean: 5.96 Median: 9 Mode: 8 d. Mean: 6.45 Median: 6.5 Mode: multiple modes 9. Which measure(s) of central tendency is the most affected by outliers? a. Mean b. Median с. Mode d. Mean and median are equally affected by outliers. 10. A sample of n = 20 has s = 4. What are the correct values for S.S. and s SS = 80; sample S.D. = 4 b. SS = 76; sample variance = 16 c. SS = 304; sample variance 16 SS = 160; sample S.D. = 4 a. d.
- 47. For the following data set, which totals 125, identify the mean, the median and the mode 1; 2; 3; 3; 4; 4; 5; 6; 6; 7; 7; 7; 8; 9; 9; 9; 9; 10; 10 Mean is 6.5; Median is 6.25; Mode is 9 Mean is 6.25; Median is 6.5; Mode is 7 Mean is 6.5; Median is 7; Mode is 6 Mean is 6.25; Median is 6.5; Mode is 9 48. Veral is manager of an operations team. He has been advised by a managemnt consultant that his span of control is currently too wide. Veral wishes to establish what has led the management consultant to reach this conclusion Which of the following aspects of Veral’s behaviour is characteristic of a manager who has too wide span of control ? He fails to delegate routine tasks to his team members He interferres in the work that his team members have been assigned to do He has to spend so much time supervising team members that he has little time for planning He deprives his team members of decision-making authority and responsibilityneed the last Question f only, the second file is my ans for reference if needed (question 6) , just the insight onlyUse the following raw data to complete the following. Show how all computations were made by writing formulas and writing which numbers were used in those formulas. 5 9 7 3 1. Arrange the data in order (create a data array) and find the mean, median, mode, midrange, and range: 3- Mean: Totals: 8 4 4 5 Median: Frequency, f n = Σf = 7 4 7 8 Range: 2. Find the class width for a frequency distribution using 4 classes. Then completing the table below. Class Class Class limits boundaries midpoints, Xm 6 5 5 4 3 8 7 9 Mode: Σf.Xm = f.Xm X² Midrange: f.Xm Σf. X =
