(b) Calculate the sample correlation coefficient. Check your work by using Excel's function =CORREL(array1, array2). (Round youranswer to 4 decimal places.)0.0004(c) Find t025 for a two-tailed test for zero correlation ata = 0.05. (Round your answer to 3 decimal places.)t 025+ 2.571 *(d-1) Calculate the ttest statistic. (Round your answer to 3 decimal places.)tcalc|-0.143(d-2) Should we reject the null hypothesis of zero correlation?YesNo(e) Use Excel's function =T.DIST.2T(t,deg_freedom) to calculate the two-tail p-value. (Round your answer to 4 decimal places.)p-value (a) Calculate SSXX, SSyy, and SSyy. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 2decimal places.)Click here for the Excel Data FileCollege Student Weekly Earnings in Dollars (n = 5)Weekly Pay (Y)(Xi – af(4 – y}(a; – a) (4 – 7)Hours Worked (X)646115.24625.612109160.64-3.2161881718.2426.82121416538.2492.8161642255446.4411073526120187.232212818.81849SSXXSSyySSxy

As per our guidelines, we are allowed to answer first three sub-parts only. Given Data :

(b) Calculate the sample correlation coefficient. Check your work by using Excel's function =CORREL(array1, array2). (Round you answer to 4 decimal places.) 0.0004| O (c) Find t 925 for a two-tailed test for zero correlation at a = 0.05 - (Round your answer to 3 decimal places.) t.025 2.571 8 (d-1) Calculate the ttest statistic. (Round your answer to 3 decimal places.) tcalc -0.143 *

(b) Calculate the sample correlation coefficient. Check your work by using Excel's function =CORREL(array1, array2). (Round you answer to 4 decimal places.) 0.0004| O (c) Find t 925 for a two-tailed test for zero correlation at a = 0.05 - (Round your answer to 3 decimal places.) t.025 2.571 8 (d-1) Calculate the ttest statistic. (Round your answer to 3 decimal places.) tcalc -0.143 *

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working
Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. x 3 7 15 32 75 y 40 35 30 26 18 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and negative moderate and negative strong and positive low and negative low and positive moderate and positive (c) Use a calculator to verify that Σx = 132, Σx2 = 6932, Σy = 149, Σy2 = 4725, and Σxy = 2997. Compute r. (Round your answer to three decimal places.)r = As x increases, does the value of r imply that y should tend to increase or decrease? Explain. Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. Given our value of r, y should tend to…
The multiple correlation (R) is: The correlation between predicted and observed scores. The sum of the simple r's. The highest simple r. Always between 0 and 1 (inclusive).
Squaring the Pearson correlation coefficient (r2) tells us that
If the correlation coefficient r is equal to 0.585, find the coefficient if determination and the coefficient of no determination
Fill in the blank. A A Jhy trial exists between two variables when the values of one variable are somehow associated with the values of the other variable. exists between two variables when the values of one variable are somehow associated with the values of the other variable. correlation inference difference
What does it mean if the correlation coefficient is 0? Explain in detail
A correlation value of -0.92 is positive and strong positive and weak positive negative and strong
A correlation value of -0.15 is considered a(n) ______ correlation. a. insignificant b. small c. large d. medium
How to Interpret a Correlation Coefficient r?