Because the mean is very sensitive to extreme values, it is not a resistant measure of center. By deleting some low values andhigh values, the trimmed mean is more resistant. To find the 10% trimmed mean for a data set, first arrange the data in order, thendelete the bottom 10% of the values and delete the top 10% of the values, then calculate the mean of the remaining values. Usethe axial loads (pounds) of aluminum cans listed below for cans that are 0.0111 in. thick. Identify any outliers, then compare themedian, mean, 10% trimmed mean, and 20% trimmed mean.248 261 268 272 277 279 282 283 284 285 O285 287 290 292 293 295 296 298 310 504couof(Type an integer or decimal rounded to one decimal place as needed.)The 10% trimmed mean ispounds.(Type an integer or decimal rounded to one decimal place as needed.)Clear allCheck answerGet more help -Ecd37°F Clear

Data given 248,261,268,272,277,279,282,283,284,285,285,287,290,292,293,295,296,298,310,504

Answered: Because the mean is very sensitive to…

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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Cloud seeding, a process in which chemicals such as silver iodide and frozen carbon dioxide are introduced by aircraft into clouds to promote rainfall was widely used in many years. Recent research has questioned its effectiveness. An experiment as performed by randomly assigning 52 clouds to be seeded or not. The amount of rain generated was then measured in acre-feet. The box plot of the data for the seeded and unseeded clouds are shown in the figure. Which statement best interprets the box plot. Boxplot of Seeded, Unseeded 3000 2500 - 2000- 1500 1000 500 Seeded Unseeded a. Outliers for both seeded and unseeded data may prove data on the effectiveness of cloud seeding is insufficient b. Cloud seeding is somewhat effective in promoting rainfall because of the greater mean c. There's a greater mean and greater dispersion in the seeded data. Both plots show outliers d. Extreme outliers are evident in the seeded data and has greater variance Data
2. The speeds (in km/hr) of 14 roller coasters found around the world are given below. Find the median. upper and lower quartiles, the maximum and minimum, then make a box plot to display the data. 149, 85, 85, 120, 128, 107, 85, 104, 105.6, 104, 95, 93, 92, 90 Min: Q1: Median: Q3: Max:
is the additive enough condition met?
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Answer this question in R. Show as much of your work as possible.
Because colas tend to replace healthier beverages and colas contain caffeine and phosphoric acid, researchers wanted to know whether cola consumption is associated with lower bone mineral density in women. The accompanying data lists the typical number of cans of cola consumed in a week and the femoral neck bone mineral density for a sample of 15 women. Complete parts (a) through (f) below. Click the icon to view the women's data. (a) Find the leas ŷ=x+ X (Round to four d Colas per Week and Bone Density colas per week 0 0 1 1 2 2 33556670 4 8 Bone Mineral Density (g/cm³) 0.908 0.896 0.887 0.877 0.866 0.850 0.829 0.836 0.815 0.800 0.795 0.773 0.771 0.760 0.735 X
The data show the distance (in miles) from an airport of a sample of 22 inbound and outbound airplanes. Use technology to answer parts (a) and (b). a. Find the data set's first, second, and third quartiles. b. Draw a box-and-whisker plot that represents the data set. 5.2 4.1 2.6 5.8 4.9 5.4 4.1 2.5 5.2 5.5 2.3 2.2 2.6 1.9 3.1 4.5 5.2 5.9 4.9 4.6 2.4 3.4 a. Find the three quartiles. Q₁ = Q₂ = Q3 (Type integers or decimals. Do not round.) ||
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You want to know if male green darner dragonflies (Anax junius) are territorial so you collect data on how many dragonflies you find per square meter of shoreline around a 15 hectare pond. You collect data from 24 random square meter plots and count the number of male green darners in each plot. The data from each plot is below. Using the equation in the lab instructions, what is the Variance to Mean ratio? number of male green darners/square meter 8. 7 6. 6. 6. 7. 8 8. 81 8. 7 7 8. 6. Answer: 0.12
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