2Suppose that y follows a chi-square distribution with 28 degrees of freedom.Use the ALEKS calculator to answer the following.(a) Compute PY<33). Round your answer to at least three decimal places.P(s33) =](b) Find k such that Py >k) = 0.05. Round your answer to at least two decimal places.k=

Answered: Image /qna-images/answer/dc9dbd96-ea5e-4bab-bdfe-f8a5b43ac6f6.jpg

Answered: Suppose that x follows a chi-square…

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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ANSWER 4 and 5 ONLY
if the results of a study using the chi-square tests are summarized as x2 ( 1,N=360) = 10.00,p<.01,then you would know that it was a what study?
2
Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 120 pounds and a standard deviation of 39.9 pounds. Random samples of size 18 are drawn from this population and the mean of each sample is determined. H = o: = (Round to three decimal places as needed.) Sketch a graph of the sampling distribution. Choose the correct graph below. OA. O B. Oc. OD. -110.6 9.4 129.4 101.2 120 138.8 -350.6 9.4 369.4 91.8 120 148.2 Click to select your answer(s). P Type here to search 11:24 AM 2/1/2021 Home End
Suppose X has an exponential distribution with mean equal to 12. Determine the following: (a) P(X > 10) (Round your answer to 3 decimal places.) (b) P(X > 20) (Round your answer to 3 decimal places.) (c) P(X < 30) (Round your answer to 3 decimal places.) (d) Find the value of x such that P(X
I regress Y on X and get the following information. Standard errors are in parentheses. Calculate the t-statistic on my coefficient (beta-hat), rounding to the nearest hundredth. Y-hat-469.31+73.626*X (159.836) (59.273)
Estimate the absolute deviation and the coefficient of variation for the results of thefollowing calculations. Round each result so that it contains only significant digits. Thenumbers in parentheses are absolute standard deviations.
Suppose that x follows a chi-square distribution with 22 degrees of freedom. Use the ALEKS calculator to answer the following. (a) Compute P(x k) = 0.05. Round your answer to at least two decimal places. k= ]
t has been suggested that gossiping about others may affect how likeable you are. Two groups of participants are asked to read a vignette describing a fictional person. They are then asked to rate how much they would like the person described in the vignette on a continuous scale from 1-15, where higher scores represent a higher likability. The first group of participants (n=20) reads a vignette describing a person that frequently gossips and obtains an average likability score of (M1) with a variance of (S12). The second group of different participants (n=20) reads a vignette describing a person that never gossips and obtains an average likability score of (M2) with a variance of (S22). Given that there is not much research in this area, test the hypothesis that gossiping impacts likability at an alpha=0.05. 1, Are the results you obtained meaningful? report the results here for your effect size showing all your work and your interpretation 2. Report the results of the study…
ANSWER 1 ONLY
Determine to 3 decimal places the value of x² for 25 degrees of freedom and an area of 0.990 in the left tail of the chi-square distribution curve. x² = i

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Suppose that x follows a chi-square distribution with 28 degrees of freedom. Use the ALEKS calculator to answer the following. (a) Compute P <33). Round your answer to at least three decimal places. P<33) = ] (b) Find k such that P(2k) = 0.05. Round your answer to at least two decimal places.