At lag j = 1,%3Dwhat parameter restriction is tested by acomparison of the sample autocorrelation r1 withits +2/ vn critical bounds?What parameter restriction is tested by the Box-Pierce-Ljung statistic at k = 1?%3D

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Answered: what parameter restriction is tested by…

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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Seedlings of understory trees in mature tropical rainforests must survive and grow using inter- mittent flecks of sunlight. How does the length of exposure to these flecks of sunlight (fleck duration) affect growth? Leakey et al. (2005) experimentally irradiated seedlings of the Southeast Asian rainforest tree Shorea leprosula with flecks of light of varying duration while maintaining the same total irradiance to all the seedlings. Their data for 21 seedlings are listed in the following table. i. What is the rate of change in relative growth rate per minute of fleck duration? provide a standard error for your estimate. ii. using these data, test the hypothesis that fleck duration affects seedling growth rate. iii. Calculate a 99% confidence interval for the slope of the population regression.
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Consider the R output below that pertains a multiple regression model under the usual assumptions. anova (lm (body mass - flipper_len,data-workDF), lm (body_mass~ flipper_len +bill_len, data=workDF)) ## Analysis of Variance Table ## ## Model 1: body mass - flipper_len ## Model 2: body mass flipper_len + bill_len ## Res. Df RSS Df Sum of Sq F Pr(>F) 0.14 0.9046 0.3422 ## 1 331 51.212 ## 2 330 51.072 1 1. The p-value is equal to (write the number): 2. Do you reject the null hypothesis (Yes/No):_
I am struggling with coming up with the test statistic part.

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what parameter restriction is tested by a comparison of the sample autocorrelation r1 with its ±2/ v n critical bounds? What parameter restriction is tested by the Box- Pierce-Ljung statistic at k = 1? %3D