Mean water levels of 29 years of flood events are measured in the Sakarya River. Observed water levels (in cm) re given below: 47, 709, 833, 714, 522, 613, 656, 562, 482, 757, 683, 587, 501, 601, 805, 701, 463, 635, 912, 738, 766, 645, 729, 34, 579, 535, 789, 1031, 450, ) Show that the observed values fit the log-normal distribution. Explain the reasons.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question

5

4) Mean water levels of 29 years of flood events are measured in the Sakarya River. Observed water levels (in cm)
are given below:
547, 709, 833, 714, 522, 613, 656, 562, 482, 757, 683, 587, 501, 601, 805, 701, 463, 635, 912, 738, 766, 645, 729,
434, 579, 535, 789, 1031, 450,
a) Show that the observed values fit the log-normal distribution. Explain the reasons.
b) Find the values for 50,100, 250, 500 and 1000-year periods by using the frequency factor method.
Transcribed Image Text:4) Mean water levels of 29 years of flood events are measured in the Sakarya River. Observed water levels (in cm) are given below: 547, 709, 833, 714, 522, 613, 656, 562, 482, 757, 683, 587, 501, 601, 805, 701, 463, 635, 912, 738, 766, 645, 729, 434, 579, 535, 789, 1031, 450, a) Show that the observed values fit the log-normal distribution. Explain the reasons. b) Find the values for 50,100, 250, 500 and 1000-year periods by using the frequency factor method.
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer