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The following data shows the marks obtained by students in a class: Marks: 0-5 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45 Frequency: 29
The following data shows the marks obtained by students in a class: Marks: 0-5 5-10 10-15 15-20 20-25 25-30 30-35 35-40 40-45 Frequency: 29 195 241 117 52 10 6 3 2 (a) Find the mean, median and mode. (b) Find the quartile deviation, mean deviation and standard deviation. (c) Find the first four moments.
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To solve this problem lets first organize the data Marks 05 510 1015 1520 2025 2530 3035 3540 4045 Frequency 29 195 241 117 52 10 6 a Mean The mean is calculated by summing up all the values multiplie...
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Business Statistics
Authors: Robert A. Donnelly
2nd Edition
0321925122, 978-0321925121
