The peanut crop was harvested from five fields of various area. The following data are the mass of the crop from each field y (inkilograms) and the field area x (in hectares).X7280 15730 13590 19820 128602.013.93 3.68 4.33 2.33 Round your answer to the nearest integer (e.g. 9876).e = i(d) Estimate the mean mass of the crop harvested from 2.5 hectares.Round your answer to the nearest integer (e.g. 9876).ŷ=

Given the data of the mass of peanut crop from five fields y (in kilograms) and the field area x (in…

Answered: The peanut crop was harvested from five…

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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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)?)
1b. San Diego, CA has 1,453,775 people and an area of 325.19 mi?. What is the population density of San Diego? Show all work and include units. Round to two decimal places.
UNIT CONVERSION PRACTICE a. Convert the quantity 6.47x103 kg/m3 to slugs/gal. 4.0 1.68 slugs/gal b. Suppose we define 1 foot = 0.645 legs. Convert the quantity 6.97x102 slugs/legs3/day to gram/mm3/sec. X gram/mm3/sec 4.0 8328.2207
The owner of a moving company typically has his most experienced manager predict the total number of labor hours that will be required to complete an upcoming move. In an effort to provide a more accurate method, the owner has decided to use the number of cubic feet moved as the independent variable and has collected data for 20 moves in which the travel time was an insignificant portion of the hours worked. Use the data provided to complete parts (a) through (d) below. E Click the icon to view the data table. .... a. Construct a scatter plot. Choose the correct graph below. Data table O A. OB. С. Cubic Feet Moved Labor Hours 60- 900- 60- 616 31.50 719 33.75 263 13.75 455 20.50 0- 900 Cubic Feet 60 900 Cubic Feet 551 29.25 Hours 712 34.75 b. Assuming a linear relationship, use the least-squares method to determine the regression coefficients b, and b,. 412 18.75 296 14.50 bo = 384 21.00 b, = 451 22.50 603 26.75 (Round to three decimal places as needed.) 442 21.75 651 31.00 336 16.25…
Use the following data for parts (a) through (e). x 5 7 3 16 12 9 y 8 9 11 27 15 13 Solve for se.(Round your answer to 3 decimal places, e.g. 1.758.) se = ? (rounded to 3 decimal places)
A botanist grew 24 pepper plants on the same greenhouse bench. After 21 days, she measured the total stem length (cm) of each plant, and obtained the following values: 9.8 12.1 13.1 10.1 12.2 13.2 10.9 12.2 13.2 11.3 12.3 13.4 11.8 12.5 13.5 11.9 12.6 13.5 12.0 12.7 13.6 12.0 13.0 14.1 What value must an observation be greater than to be considered an outlier? If necessary, round your answer to 3 places after the decimal.
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
9 45% A mBC = mBAD mDCB mCDB B C
1. In many animal species the males and females differ slightly in structure, coloring, and/orsize. The hominidspecies Australopithecus is thought to have lived about 3.2 million years ago. (“Lucy,” the famous nearcompleteskeleton discovered in 1974, is an Australopithecus .) Forensic anthropologists use partial skeletalremains to estimate the mass of an individual. The data below are estimates of masses from partial skeletalremains of this species found in sub-Saharan Africa. Appropriate graphical displays of the data indicate thatit is reasonable to assume that the population distributions of mass are approximately normal for bothmales and females. You may also assume that these samples are representative of the respectivepopulations.Estimates of mass (kg)Males 51.0, 45.4, 45.6, 50.1, 41.3, 42.6, 40.2, 48.2, 38.4, 45.4, 40.7, 37.9, 41.3, 31.5Females 27.1, 33.5, 28.0, 30.3, 32.7, 32.5, 34.2, 30.5, 27.5, 23.3,35.7Do these data provide convincing evidence that the mean estimated masses…
The table below reports the quantities and prices for a fruit basket consumed by RMIT students for the years 2019 and 2020. Copy Paste the tableand fill in as necessary. S Fruit (per Kg) 2019 2020 Fill In Fill In Price ($) Quantity Price ($) Quantity Bananas 3.7 25 3.8 28 Apples 3.6 40 4.62 48 Pears 6.7 45 6.9 66 Peaches 7.6 35 8.6 36 Fill In (a) Calculate the simple price index of Apples for 2020 using 2019 as a base year. b) Calculate the Aggregate index for 2020 using 2019 as a base year. (c) Calculate the Laspeyers price index for 2020 using 2019 as a base year. Interpret your answer. d) What is the difference between Laspeyers and Paasche index?
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The peanut crop was harvested from five fields of various area. The following data are the mass of the crop from each field y (in kilograms) and the field area x (in hectares). y 7280 15730 13590 19820 x 12860 2.01 3.93 3.68 4.33 2.33