a Construct a relative frequency distribution b Construct a cumulative

A construct a relative frequency distribution b

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a. Construct a relative frequency distribution.b.Construct a cumulative frequency distribution.c.Construct a cumulative relative frequency distribution. Answers: a. b. c. Cumulative Height Relative Cumulative Relative (In Inches) Frequency Frequency Frequency Frequency 58 - 63 3 0.12 3 0.12 64 - 69 5 0.20 8 0.32 70 - 75 2 0.08 10 0.40 76 - 81 6 0.24 16 0.64 82 - 87 4 0.16 20 0.80 88 - 93 3 0.12 23 0.92 94 - 99 2 0.08 25 1.00 1.00 8. The frequency distribution below was constructed from data collected on the quarts of soft drinks consumed per week by 20 students.Quarts of Soft DrinkFrequency0 - 34 - 78 - 11612 - 15316 - 192a.Construct a relative frequency distribution.b.Construct a cumulative frequency distribution.c.Construct a cumulative relative frequency distribution. 4 5 Answers: a. b. c. Cumulative Quarts of Relative Cumulative Relative Soft Drinks Frequency Frequency Frequency Frequency 0 – 4 4 0.20 4 0.20
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12 Chapter Two 4 - 8 5 0.25 9 0.45 8 – 12 6 0.30 15 0.75 12 – 16 3 0.15 18 0.90 16 – 20 2 0.10 20 1.00 Total 20 1.00 9. The grades of 10 students on their first management test are shown below.94619666926875858478a.Construct a frequency distribution. Let the first class be 60 - 69.b.Construct a cumulative frequency distribution.c.Construct a relative frequency distribution. Answers: a. b. c. Cumulative Relative Class Frequency Frequency Frequency 60 - 69 3 3 0.3 70 - 79 2 5 0.2 80 - 89 2 7 0.2 90 - 99 3 10 0.3 Total 10 1.0 10.There are 800 students in the School of Business Administration. There are four majors in the School: Accounting, Finance, Management, and Marketing. The following shows the number of students in each major.MajorNumber of StudentsAccounting240Finance160Management320Marketing80Develop a percent frequency distribution and construct a bar chart and a pie chart.
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Descriptive Statistics: Tabular and Graphical Methods 13 Management 40% Marketing 10% 11. You are given the following data on the ages of employees at a company. Construct a stem-and-leaf display.2632284558524436422741535548324244403637Answer:2 | 6783 | 226674 | 01244585 | 235812.Construct a stem-and-leaf display for the following data.1252513747403826573149434519363244482218Answer:1 | 2892 | 263 | 126784 | 03457895 | 12713.The SAT scores of a sample of business school students and their genders are shown below.SAT ScoresGenderLess than 2020 up to 2525 and moreTotalFemale2416848240Male409624160Total6426472400a.How many students scored less than 20?b.How many students were female?c.Of the male students, how many scored 25 or more?d.Compute row percentages and comment on any relationship that may exist between SAT scores and gender of the individuals.e.Compute column percentages. Answers:
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14 Chapter Two a. 64 b. 240 c. 24 d. SAT Scores Gender Less than 20 20 up to 25 25 and more Total Female 10% 70% 20% 100% Male 25% 60% 15% 100%
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