The management of ‘AL-Baik ’ studied the waiting times of customer’s for dine in or take away of food in waiting area before food is delivered to them. The following data with waiting times in minutes were collected over a one-day period. Consider the following data in Table 2.1: Table 2.1635546486445675163596150614141696954525753536356674461466050 a) Develop a frequency distribution using classes of 40–45, 46–51, 52–57, 58–63, and 64–69. b) Develop a relative frequency distribution and a percent frequency distribution. c) Cumulative frequency and a cumulative relative frequency.

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The management of ‘AL-Baik ’ studied the waiting times of customer’s for dine in or take away of food in waiting area before food is delivered to them. The following data with waiting times in minutes were collected over a one-day period. Consider the following data in Table 2.1:

Table 2.1

63	55	46	48	64
45	67	51	63	59
61	50	61	41	41
69	69	54	52	57
53	53	63	56	67
44	61	46	60	50

a) Develop a frequency distribution using classes of 40–45, 46–51, 52–57, 58–63, and 64–69.
b) Develop a relative frequency distribution and a percent frequency distribution.
c) Cumulative frequency and a cumulative relative frequency.

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