d. Find the Pearson's Coefficient of Skewness using the relation between Mean, Median and Standard Deviation.Answer in exact fraction, or rounded to at least 4 decimal places. The following table represents the annual rainfall distribution in a city, for a sample of (5X+1) years.Rainfall (in cm)20 - 2525 – 3030 – 3535 – 4040 – 4545 – 5050 – 5555 – 60Number of years3X-372X-6742(X/2) - 1a. Compute the average rainfall.Answer in exact fraction, or rounded to at least 4 decimal placescmb. Compute the median rainfall.Answer in exact fraction, or rounded to at least 4 decimal places.cmc. Determine the variance value of the rainfall distribution.Answer in exact fraction, or rounded to at least 4 decimal places.

Answered: Image /qna-images/answer/9d6241bc-6062-4395-8435-cca796b99d83.jpg

Answered: The following table represents the…

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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Find the Proportion of runners with the time at most 146 minutes? Show work
Find P15, Q1,D3,Q2,D6 and P85
5. The table below shows the temperature for each month in St. Pete, Florida. Use the table to find the 5 number summary and IQR. Min: Month Jan Feb Mar Apr May Jun 64 68 Temp 63 74 80 Min: 16 4 (3756 10 Find the 5 number summary: Are there any outliers? Show work. ( 18 Name Al Time (sec) Q1: 11.3 Q1: Median: Find the 5 number summary: 16. Median: Is 18.6 an outlier? Show work. 6. The following gives the time it takes to run 100M with 10 friends. Use the table to find the 5 number summary and IQR. 5 10 3 10 00 0-8-1-57 5 (12) 84 86, 86 Q3: 10.3 July Aug Sept 84 Beth Cindy David Emily Frank Gary Helen Ida 12.9 11.9 11.1 10.8 10.5 12.0 154 Q3: Max: 18.6 1500 Oct Nov Dec 70 78 48 IOR: Max: Jay 10.9 IQR:
First find the MAD for each pair of values, a and ß. Coal Production (thousands of tons) 434,330 Year 1. 420.427 3. 439,044 4 477 200 504.182 526.949 7. 546,822 564.884 556,711 8 10 570,975 The total number of thousands of tons of coal produced per year over a 10-year period for a certain region is provided in the accompanying dataset. Use double exponential smoothing to determine which pairs of values for a and B minimize MAD for this dataset a=0.1, p=0.8, a = 0.4. B 0 2; a=0.9, = 0.6 Click the icon to view the coal production data
210 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.1714 40 1 2 39 3 52 4 43 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? 36 0.1857 0.2476 0.2048 115 167 210
220 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.2455 54 1 37 91 2 44 0.2 3 45 0.2045 180 4 40 0.1818 220 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly one sibling? %
Listed below are pulse rates (beats per minute) from samples of adult males and females. Does there appear to be adifference? Find the coefficient of variation for each of the two samples; then compare the variation. A. The coefficient of variation for the male pulse rates iS (Type an integer or decimal rounded to one decimal place as needed.) B. The coefficient of variation for the female pulse rates is (Type an integer or decimal rounded to one decimal place as needed.)
The data below is provided by the local ice-cream shop that keeps track of how many ice-creams aresold versus the temperature on that day. Here are the figures for the last 7 days. Let x; represent thetemperature ofthe respective days and let /; represent the ice cream sales on the respective days'Day I 2 3 4 5 6 7Ice cream Temp oC 14.2 16.4 l l.9 15.2 18.5 22.1 19.4Sales (N$) 215 325 185 332 406 s22 412Required:i. Compute and interpret the sample covarianceii. Compute and interpret the sample correlation coefficient
8
Item#3 A chemical engineer desiring to study the evaporation rate of water from brine evaporation beds obtained data on the number of inches of evaporation in each of 55 July days spread over 4 years. The data are given in the following stem and leaf plot, which shows that the smallest data value was o.02 inch, and the largest o.56 inch. Stem Leaf 0.0 2, 6 0.1 1, 4 1, 1, 1, 3, 3, 4, 5, 5, 5, 6, 9 0, 0, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 5, 6, 6, 7, 8, 9 0, 1, 2, 2, 2, 3, 4, 4, 4, 5, 5, 5, 7, 8, 8, 8, 9, 9 2, 5, 6 0.2 0.3 0.4 0.5 Find the: a) sample mean; b) sample median; c) sample standard deviation of these data. d) Do the data appear to be approximately normal? e) What percentage of data values are within 1 standard deviation of the mean?

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