Use the 1odwingWildlife: Coyotes A random sample of 46 adult coyotes in a region of northern Minnesotashowed the average age to be z = 2.05 years, with sample standard deviation8 = 0.82 years (based on information from the book Coyotes: Biology, Behavior andManagement by M. Bekoff, Academic Press). However, it is thought that the overallpopulation mean age of coyotes is µ=1.75. Do the sample data indicate that coyotes inthis region of northern Minnesota tend to live longer than the average of 1.75 years? Usea = 0.01.Fl in the blanksa 007• Ho u- 175years* H u> 176yeanQUESTION 7What is your test statistic? (t-statistic)2.48QUESTION 8What is your p-value? (Hint You will need the degrees of freedom to find the p-value.)<0.01dQUESTION 9Do you reject the null hypothesis?O YesNo

From the provided information, Sample size (n) = 46 Sample mean (x̄) = 2.05 Standard deviation (s) =…

Answered: Wildlife: Coyotes A random sample of 46…

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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An investigation of the relationship between traffic flow (measured in cars per day) and lead content (measured in micrograms per gram of dry weight) in the bark of trees near the highway yielded the following summary statistics: Sample Mean Sample Standard Deviation Lead Content (micrograms per gram dry weight) y¯=y¯= 680 sysy = 240 Traffic Flow (cars / day) x¯=x¯= 1750 sxsx = 800 The correlation between lead content and traffic flow was found to be r = 0.6 and a scatterplot showed the form to be linear. The least squares regression line for using X to predict Y was found to be y^=365+0.18xy^=365+0.18x. For trees in a given area, if the traffic flow is 14,000 cars per week, predict the lead content in their bark. Note: the traffic flow given in this question is NOT in the same units as the values used to calculate the line. Given value of x = 14,000 cars per week equals how many cars per day Predicted Value of y is how many micrograms per gram of dry weight
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Salaries for senior Civil engineers per year have known mean of 80 K dollars and standard deviation 4.6 K dollars. Provided that the salaries per year for senior Civil engineers have a nearly symmetric/bell-curve distribution, what percent (%) of Civil engineers have salary between 70.8 K and 84.6 K dollars?
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An investigation of the relationship between traffic flow (measured in cars per day) and lead content (measured in micrograms per gram of dry weight) in the bark of trees near the highway yielded the following summary statistics: Sample Mean Sample Standard Deviation Lead Content (micrograms per gram dry weight) y¯=y¯= 680 sysy = 240 Traffic Flow (cars / day) x¯=x¯= 1750 sxsx = 800 The correlation between lead content and traffic flow was found to be r = 0.6 and a scatterplot showed the form to be linear. The least squares regression line for using X to predict Y was found to be y^=365+0.18xy^=365+0.18x. Which one of the following is a proper interpretation of the slope? Group of answer choices For each 1 car per day increase in traffic flow, we predict an corresponding increase of 0.18 in lead content of surrounding trees For each 0.6 car per day increase in traffic flow, we predict an corresponding increase of 365.18 in lead content of surrounding trees For each 1…
We calculate the central tendency and variability in order to provide a summary of a data set. Why is it important that we calculate both central tendency and variability?

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