Q1: Below is the population of the city in lenses taken once every 10years. Estimated population im 1955Year1951196119711981Population in lakhs35425884

Answered: Image /qna-images/answer/bb1997da-11c6-475b-8efb-edd4accb460d.jpg

Answered: Q1: Below is the population of the city…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A. .381B. 159.18C. 1.344D. .6875
You measure the length of 11 bullfrogs (Lithobates (=Rana) catesbeiana), and then measure how for each frog can jump. You get the following results (size in mm, jump distance in cm). Size 155 127 136 135 158 145 136 172 158 162 162 Distance 71.0 70.0 100.0 120.0 103.3 116.0 109.2 105.0 112.5 114.0 122.9 You find the following results: SSx = 2,094.55 SSy = 3,218.99 SScp = 731.36 n = 11 ¯y = 103.99 ¯x = 149.64 SSresid = 2,963.61 a) Give the equation of the least squares line. b) Give both the test statistic and the table value. Make sure you give H0, H1, α, etc. and state your conclusion. c) Make a scatterplot of these data and fit the least squares line. d) Make a residual plot of these data and comment on it. e) Calculate R 2 and explain. Is R 2 even appropriate here (what is your answer to (b)?)
Match each scatterplot shown below with the best desciption of its correlation. 880 000 Lo Select an answer Select an answer Select an answer
None
Overhead Width of seal 7.2 7.4 9.8 9.4 8.8 8.4 Weight of seal 106 134 225 200 180 171 Find Σxy 7780.8 9970.4 8860.2 5678.8
Identify the Level of Measurement for the following variable: How many people r employs 5 yrs after How many people do you anticipate employing five years from now? Code Label 1 1 person 2 2 рeople 3 3 реople 4 4 people 5 5 people 6 реople 7 people 6 7 8 8 people 10 10 реople 12 12 people 15 15 реople 20 20 people 22 22 people 30 30 реople 40 40 people
Two varieties of corn are grown in 4 different locations. Each location provides a value in pounds for each variety.The table below lists the results. Find the standard error for the difference in the production of the two corn varieties to two decimal places. Variety 1 Variety 2 difference location 1 32.1 34.5 -2.4 location 2 30.6 32.6 -2.0 location 3 33.7 34.6 -0.9 location 4 29.7 31.6 -1.3 mean value 31.53 33.18 -1.65 standard deviation 1.76 1.72 0.68 1.23 0.75 0.34 0.98

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Q1: Below is the population of the city in lenses taken once every 10 years. Estimated population in 1955 Year 1951 1961 1971 1981 Population in lakhs 35 42 58 84