41. Find Karl Pearson's coefficient of skewness for the following distribution andörnent un the result:Class3-78-1213-1718-2223-2728-32Frequency108580175803218

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Answered: 41. Find Karl Pearson's coefficient of…

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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Calculate N and M for the following frequency distribution. X Frequency2 53 34 45 86 117 9 What are the median and mode for the frequency distribution in Q1? If a sample has a SX (sum of X) = 35 and N=7, what is the mean? Calculate N and M for the following frequency distribution. X Frequency2 93 45 89 312 218 4 What are the median and mode for the frequency distribution in Q4? If a sample has a SX (sum of X) = 56 and M=7, what is the sample size (N)? Calculate N and M for the following frequency distribution. X Frequency2 33 65 79 2What are the median and mode for the frequency distribution in Q7? If a sample has aN=16andM=4.5, what was theSX (sum of X)
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Q2- The following is the frequency distribution of the sample weight from field of chickens in grams, size 100, selected from a farm after 45 days. weight 720-700 700-680 680-660 660-640 640-620 620-600 No. of 10 20 25 20 15 10 chickens Draw the following 1- Histogram 2- A relative histogram 3- Polygon 4- A Relative Frequency Curve
8.
Find Mean, Median from formula, and from commulative frequency curve, Mode, Histogram, Frequency polygon,First four moments, skewness, kurtosis, Geometric mean, harmonic mean of data given below in table. f 0-1 64 1-2 92 2 - 3 141 3 - 4 86 4 - 5 71 5 -6 35 6- 7 11 Σ1-500
14
Refer to the following frequency distribution on days absent during a calendar year by employees of a manufacturing company How can the data be graphically presented? yet anwnd whad ut of100 Days absent O up to 3 days 3 up to 6 days 6 up to 9 days 9 up to 12 days 12 up to 15 days Number of employees 60 Fag oton 31 14 16 12 Select one Ca Frequency bar chart Ob pie chat O e Frequency polygon Od Frequency table Oe Bar chart
Q.5 The following distribution shows the drying times in hours of a certain brand of latex paint. Draw its frequency curve and comment on it about the trend of drying times. Drying Times (Hours) Frequency 2.0-2.4 2.5-2.9 3.0-3.4 3.5-3.9 4.0-4.4 4.5-4.9 12 15 20 25 18 10
Please explain Questions 2 and 3
4 Input area: 5 6 variances, and the standard deviations for X and Y. 8 9 Year 12345 16 Output area: 17 18 Asset X: 19 Average return 20 Variance 21 Standard deviation 22 Asset Y: XI 23 Average return 24 Variance 25 Standard deviation A 26 13% 26% 7% -5% 11% 0 1 2 3 the built-in Excel function to answers this question. Make sure to use the "sample 4 formulas.) S Y 27% 36% 11% -29% 16%
The mean is less than the median. This histogram is negatively-skewed. O The mean is less than the median. This histogram is positively-skewed. O The median is less than the mean. This histogram is negatively-skewed. QUESTION 13 The distributions of income in the United States is strongly skewed to the right. Which of the following is true? O The median income is smaller than the mean income. O The median income is larger than the mean income. O The median income is equal to the mean income. O There is not enough information to compare the median and mean values. QUESTION 14 Click Save and Submit to save and submit. Click Save All Answers to save all answers. Worksheet Py....docx Reading - Ma W MLK Letter -2.pdf Worksheet - W....docx W Anom doon MOS nI DIC. étv 11

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41. Find Karl Pearson's coefficient of skewness for the following distribution and 7iTS 在 2örnent un the result : Class 3-7 8-12 13-17 18-22 23-27 28-32 Frequency 108 580 175 80 32 18