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4. Determine the mean (long method), median, and mode of the grouped data 5. Determine the 3rd Decile, D3 and 1st Quartile, Q₁.

4. Determine the mean (long method), median, and mode of the grouped data 5. Determine the 3rd Decile, D3 and 1st Quartile, Q₁.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Answer number 4 and 5, the table and given are already there
The concentration of suspended solids in river water is an important environmental characteristic. The paper "Water Quality in Agricultural Watershed Impact of Riparian Vegetation During Base Flow" reported on concentration, in parts per million, or ppm) for several different rivers. Suppose the following 50 observations had been obtained for a particular river. privés 55.8 kmmoda60.9 ms 37.0 42.333.860.6 39.1 61.2 45.9 71.7 6 83.2 43.7 75.3 48.0 60.7 69.8 Class limits 25-35 35 - 45 45 - 55 55-65 65-75 75-85 85-95 Total 40.0 94.6 71.4 61.8 77.1 64.9 Shira ***12+ 35.5 61.5 31.7 56.3 65.2 78.8 59.1 27.1 Frequency |4 19 5 13 |11 5 13 50 91.3 65.8 76.0 hinh69,0 56.0 47.2574.5 36.7 30.0 52.6 39.8 49.5 187.1 62.3 68.2 58.2 65.0 69.3 66.3 Cumulative frequency 4 4+9=13 13+5=18 18+13=31 31+11=42 42+5=47 47+3=50 4. Determine the mean (long method), median, and mode of the grouped data. 5. Determine the 3rd Decile, D3 and 1st Quartile, Q₁.
Transcribed Image Text:The concentration of suspended solids in river water is an important environmental characteristic. The paper "Water Quality in Agricultural Watershed Impact of Riparian Vegetation During Base Flow" reported on concentration, in parts per million, or ppm) for several different rivers. Suppose the following 50 observations had been obtained for a particular river. privés 55.8 kmmoda60.9 ms 37.0 42.333.860.6 39.1 61.2 45.9 71.7 6 83.2 43.7 75.3 48.0 60.7 69.8 Class limits 25-35 35 - 45 45 - 55 55-65 65-75 75-85 85-95 Total 40.0 94.6 71.4 61.8 77.1 64.9 Shira ***12+ 35.5 61.5 31.7 56.3 65.2 78.8 59.1 27.1 Frequency |4 19 5 13 |11 5 13 50 91.3 65.8 76.0 hinh69,0 56.0 47.2574.5 36.7 30.0 52.6 39.8 49.5 187.1 62.3 68.2 58.2 65.0 69.3 66.3 Cumulative frequency 4 4+9=13 13+5=18 18+13=31 31+11=42 42+5=47 47+3=50 4. Determine the mean (long method), median, and mode of the grouped data. 5. Determine the 3rd Decile, D3 and 1st Quartile, Q₁.
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