Here's a table that shows t values for a correlation of p = 0.2 for various values of sample size, n. The t values arecalculated for an a of 0.05.t score for a correlationntt crit for alpha100.5772.262200.8662.093301.0802.045401.2582.023601.5552.001801.8031.9901002.0211.9841202.2171.9801402.3981.9771602.5661.9751802.7231.9732002.8721.972How large of a sample would you recommend for me to be sure that my result of a correlation of 0.2 is statisticallysignificant at the 0.05 level?

Correlation coefficient measures the linear association between two variables. The value of…

Answered: Here's a table that shows t values for…

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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Similar questions

Test the significance at 0.05 level of the computed values of correlation r= 0.65 with a sample size of 10
Find the critical value for a test for correlation with α = 0.01 for a sample size of 18.
In a trivariate distribution, it 112= 0.7, 113 = 0.61 and 223 = 0.4 find all the multiple correlation coefficients. Also obtain the standard of estimates 01.23 61:23, 02:13 and 53:12 given that: 52= 1:06, 62 = 2.15 and 3= 3.46.
In a sample of n=20 what would be the student's t test statistic for a correlation of r=0.400?
Assume that you have been provided the following information for a sample of cars The covariance between weight and miles per gallon is equal to -4.9 pound-miles. The standard deviation of the cars' mileages is 7.75. The standard deviation of the cars' weights is 0.94. Estimate the correlation coefficient to the first decimal place.
what are the critical values r =?
A sample of 33 lights in Austin gives an average of 46 cars/min while the city SD=3.4 A sample of 34 Dallas lights give a mean of 44 cars/mim with the city SD=1.4 At the 91% level, do the towns differ? 1. Is the test (A-Left Tailed, B-Right Tailed, C-2-Tailed) (separate with comma if there are 2) 2. Critical Value 3. Test statistic 4. 3-decimal p-Value
What is the sample correlation coefficient for these data? Carry your intermediate computations to at least four decimal places and round your answer to at least three decimal places.
The following information represents chlorine residuals in swimming pool (y) and the testing time (y) in different hours: n = 6, Ey = 8.8, Ey = 18.68, Ex = 42, Ex2 = 364, and Exy = 48.6 The sample correlation coefficient is: -0.6467 - 0.9899 - 0.9088 0.6467
Fifty-four wild bears were anesthetized, and then their weights and chest sizes were measured and listed in a data set. Results are shown in the accompanying display. Is there sufficient evidence to support Correlation Results the claim that there is a linear correlation between the weights of bears and their chest sizes? When measuring an anesthetized bear, is it easier to measure chest size than weight? If so, does it appear that Correlation coeff, r: 0.959614 a measured chest size can be used to predict the weight? Use a significance level of = 0.05. Critical r: +0.2680855 P-value (two tailed): 0.000 Но: Р H1:P (Type integers or decimals. Do not round.) Identify the correlation coefficient, r. (Round to three decimal places as needed.) Identify the critical value(s). (Round to three decimal places as needed.) O A. There is one critical value at r= . B. There are two critical values at r= ± Is there sufficient evidence to support the claim that there is a linear correlation between…
USE STATCRUNCH TO SHOW WORK OR EXPLAIN HOW TO PUT ON STATCRUNCH TO SOLVE
use the scatterplot to find the value of the rank correlation coefficient rs and the critical values con sponding to a 0.05 significance level used to test the null hypothesis of ps= 0. Determine whether there is a correlation. Distance/Time Data for a Dropped Object

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