Identify the lower class​ limits, upper class​ limits, class​width, class​ midpoints, and class boundaries for the given frequency distribution. Also identify the number of individuals included in the summary. Age​ (yr) when award was won Frequency       10​-13 28       14​-17 34       18​-21 15       22​-25 3       26​-29 6       30​-33 1       34​-37 2     Identify the lower class limits.   1010​,1414​,1818​,2222​,2626​,3030​,3434 ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the upper class limits.   1313​,1717​,2121​,2525​,2929​,3333​,3737 ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the class width.   44 ​(Type an integer or a decimal. Do not​ round.) Identify the class midpoints.   nothing​,nothing​,nothing​,nothing​,nothing​,nothing​,nothing ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the class boundaries.   nothing​,nothing​,nothing​,nothing​,nothing​,nothing​,nothing​,nothing ​(Type integers or decimals. Do not round. Use ascending​ order.) Identify the number of individuals included in the summary.   nothing ​(Type an integer or a decimal. Do not​ round.)

1.hoose the correct class width for the frequency distribution.   Number in attendanceat school clubs Frequency 10–44 12 45–79 5 80–114 9 115–149 4 150–185 2 a.30 b.34 c.32 d.35

Among fatal plane crashes that occurred during the past 55 years, 553 were due to pilot error, 79 were due to other human error, 288 were due to weather, 533 were due to mechanical problems, and 111 were due to sabotage. g Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? --..- Complete the relative frequency distribution below. Relative Cause Frequency % Pilot error Other human error Weather % Mechanical problems % Sabotage % (Round to one decimal place as needed.)

Among fatal plane crashes that occurred during the past 70 years, 684 were due to pilot error, 97 were due to other human error, 679 were due to weather, 240 were due to mechanical problems, and 218 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? Complete the relative frequency distribution below. Cause Relative Frequency Pilot error % Other human error % Weather % Mechanical problems % Sabotage % (Round to one decimal place as needed.)

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1. 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 8, 8, 8, 9, 10, 11, 11, 13, 15, 15, 21,24, 28, 32 a. Construct a frequency table. b. Construct a histogram (use 5 as the number of classes and starting point at 1).

Select the correct answer and write the appropriate letter in the space provided _____ 1. A grouping of data into classes giving the number of observations in each class is called a(an)   a bar chart.   b. frequency distribution.   c. pie chart.    d. cumulative frequency distribution.   ______ 2. The distance between consecutive lower class limits is called the   a. class interval.   b. frequency distribution.   c. class midpoint.   d. class frequency.   ______ 3. The class midpoint is   a. equal to the number of observations.   b. found by adding the lower class limits of two consecutive classes and dividing by 2.   c. equal to the class interval.   d. all of the above.   ______ 4. The number of observations in a particular class is called the    a. class interval.   b. class frequency.   c. frequency distribution.   d. none of the above.   ______ 5. A bar chart is used most often when   a. you want to show frequencies as compared to total observations.   b. you want to show…

Exhibit 1 gives a frequency distribution table of age of the individuals who are smokers. a) Using Exhibit 1 above, describe how you would find the age group which contains the median smokers. Specify the age group.

Below are the times (in days) it takes for a sample of 22 customers from Jack's computer store to pay their invoices. 19, 15, 43, 39, 35, 31, 27, 22, 18, 14, 42, 38, 13, 13, 41, 41, 37, 37, 37, 33, 33, 33 Send data to calculator Draw the frequency polygon for these data using an initial class boundary of 12.5 and a class width of 7. Note that you can add or remove classes from the figure. Label each class with its midpoint. Frequency 7. Check 26°F Clear Q Search 0:00 00:0 X Save For Later C Submit Assignme

%24 Your answers are saved automatically. Remaining Time: 2 hours, 51 minutes, 16 seconds. * Question Completion Status: >A Moving to another question will save this response. uestion 2 Final scores for a basketball team are given. Wiat is the class width if you create a frequency distribution with 6 classes? 99, 78, 63, 82, 94, 53, 88, 69, 58. 38, 50, 71, 92 69, 58 38, 50, 71, 92 A Moving to another question will save this response. 直0 6. dp f5 f8 & 3. 6.