180-170-Figure 1. For each of more than 200 human societies,the average height of the men is plotted against theaverage height of the women. The diagonal line showswhere the points would fall if men and women were ofequal height. From Rogers and Mukherjee (1992).160-150-140-140 150 160 170 180Female stature (cm)tionry ysin.e. Pronose a hypothetical, but reasonable, scenario under which the average height of women wouldevolve, by sexual selection, to be closer to that of men.Male stature (cm)

In the given case we want to set a rule for sexual selection such that the population of the coming…

Answered: 180- 170- Figure 1. For each of more…

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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3 8. 10 12 14 16 19 22 24 27 Y, A. в. 3.
2. A set of X and Y scores has MX = 12.08, MY = 624.53, SSX = 5776.24, and SP = 5594.82. Calculate the value for the y-intercept. "
Subject Risk Age Blood Pressure Smoker 1. 12 57 152 2 24 67 163 3 13 58 155 4 56 86 177 1 5) Determine using appropriate graphical methods whether older people at a higher 5 28 59 196 risk of stroke ie is there a corelation between age and risk of stroke? 51 76 189 1. 7 18 56 155 1 8 31 78 120 9 37 80 135 1 10 15 78 98 11 22 71 152 12 36 70 173 1. 13 15 67 135 14 48 77 209 1. 15 15 60 199 16 36 82 119 1. 17 8. 66 166 18 34 80 125 1. 19 3 62 117 20 37 59 207 1. 21 13 56 153 22 25 бб 162 23 14 57 156 24 57 85 176 1. 25 29 58 197 26 52 75 188 1 27 19 55 156 1 28 32 77 119 29 38 79 134 1. 30 16 77 99 31 23 70 151 32 37 69 174 1 33 16 66 134 1. 34 49 76 208 1 35 16 59 200 36 37 81 118 1 37 65 167 38 35 79 124 1 39 4 61 118 40 38 58 206 1
1) Half of 7 pairs of calves consisting of identical twins drank milk for 3 months and the other half for 4 months. The 6-month weights of the calves are given below. Milk drinking time differs according to 6- month weight. Has it made an impact? (a=0.05) 3 mounth 86 92 102 96 83 89 78 4 mounth 90 96 100 106 95 87 90
17. A researcher surveyed 90 patients at a certain hospital. The histogram below gives the length of time patients waited to see a doctor at the hospital. The classes, in minutes, are 5 - 9.9, 10 - 14.5, etc., and the vertical axis represents the number of patients. 25 BI yllem number of patients 20 15 10 5 0 aga siqma znova ois 3 has 3 szoqqu2 21 wollo) si bart 28.0= 5 10 15 20 25 30 35 40 45 wait time (minutes) (a) Use the histogram to determine the percent of patients that waited less than 15 minutes to see the doctor. (b) Determine the interval that contains the median wait time.
According to Figure 22.2, on which country other than Canada does the United States have the largest impact? Why do you think that this is so?
Suppose a researcher collects data on the bacterial contamination, measured in colony-forming unit per milliliter, for both upstream and downstream sections of 35 rivers. The data is plotted with upstream bacterial contamination on the horizontal axis and downstream bacterial contamination on the vertical axis. The Scioto River is an outlier in the ?y‑direction. What must be true about this river? The upstream bacterial contamination for this river is much higher or lower than the rest of the rivers in the data set. The downstream bacterial contamination for this river is much higher or lower than other rivers in the data set that have similar upstream bacterial contamination. This river is an influential observation. The downstream bacterial contamination for this river is much higher or much lower than the rest of the rivers in the data set. The absolute value of the residual of this river is large.
1. Suppose a doctor is monitoring cancer cells in a patient in order to initiate curative treatment before the count reaches 60,000. The data are shown in the following table: Tiempo Conteo de células en dias 0. 597 893 1339 1995 2976 4433 4 9. 8. 10 12 6612 9865 14 16 14719 18 21956 20 32763 On a Cartesian plane, diagram the dataset.
9. The number of Internet users in a country for various years are shown in the table below. Let n be the number (in millions) of Internet users in the country at t years since 1995. A model of the situation is n=21.4t+17.2. Internet users in the country Year 1996 1997 1998 1999 2000 2001 2002 2003 2004 Number of users (millions) 37 60 82 103 124 144 165 185 206 a) Draw in the linear model that was given. Use the same grid as for the scattergram. Show at least two solutions below in a table. b) Create a scattergram for the data. Make room for years from 1995 to 2009. Allow for a number of users up to 350 million users. c) Find and label the slope. Interpret the slope in terms of the application. d) Find and label the y-intercept. Interpret the y-intercept in terms of the application. e) Use the model drawn (your graph) to predict the year when the number of users will reach 250 million users. Round to the nearest year. f) Check your work using the graphing calculator.
from Silva and Tenreyro (2017), plots the total fertility rate against real per capita income for 88 countries in 1960 (circles) and in 2013 (triangles). Figure 3 Fertility-Income Relation in 1960 and 2013 O 1960 4 2013 Fited line 1960 Fitted line 2013 GDP per capita (USS) Source: Authors using data from the World Development Indicatorn database. Note For a sample of 88 countries, the figure shows the scanerplos and fined line (that is, the kowess smoothed relationship or locally weighted snoothing function) between the total fertility rate and log of per capita GDP (in constant 2005 USS) in 1960 and 2013. The xaxis is log scale. Describe in words what the figure reveals about the relationship be- tween the level of income per capita and fertility in 2013 across countries and discuss to which extend the empirical relationship observed in 2013 is or is not consistent with the predictions of the Solow growth model with population growth, which takes fertility as exogenously given. In…
7. The principal collected some data on the number of hours of sleep the night before a test and performance on the literacy test. a) Plot the data on the grid provided. Hours Test Slept Score 83 1004 90 86 803 7 74 70 88 60 6. 76 50 63 40 90 30 4 60 20 9. 89 7 81 10 Hours of Sleep 10 -1 0 3 4 b) There is a point plotted on the scatter plot labelled P. What does that point tell you about that student? c) Predict the test score for a student who gets 10 hours of sleep. Explain if your prediction demonstrates interpolation or extrapolation. Test Score 57
15. Diameter of Douglas Fir Trees The diameter of the Douglas fir tree is measured at a height of 1.37 meters. The S following data represent the diameter in centimeters of a random sample of 12 Douglas firs in the western Washington Cascades. 156 162 147 173 147 190 130 101 159 113 181 109 Source: L. Winter. "Live Tree and Tree-Ring Records to Reconstruct the Structural Development of an Old-Growth Douglas Fir/Western Hemlock Stand in the Western Washington Cascades." Corvallis, OR: Forest Science Data Bank, 2005. (a) Obtain a point estimate for the mean and standard deviation diameter of a Douglas fir tree in the western Washington Cascades. (b) Because the sample size is small, we must verify that the data come from a population that is normally distributed and that the data do not contain any outliers. The figures show the normal probability plot and boxplot. The correlation between the tree diameters and expected z-scores is 0.982. Use Option 1 or Option 2 to determine if the…

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