Q9What is the correlation coefficient for these data? Use either the =correl(array1,array2) formul in excel, or the correlation feature in the Data Analysis ToolPak Add-in for Excel to determine the correlation coefficient. Report your answer to four decimal places.Subject2nd Language ProficiencyGrey Matter Density 10.01-0.07 20.44-0.08 30.89-0.01 41.26-0.009 51.69-0.023 61.97-0.009 71.98-0.036 82.24-0.029 92-0.001 102.58-0.023 112.5-0.006 122.75-0.008 133.25-0.006 143.850.015 153.040.018 162.550.023 172.50.022 183.110.036 193.20.059 203.520.062

First I have enter the data in Ms-ExcelThen use the correlation formulacorrelation coefficient for these data r =0.7852

Answered: Q9 What is the correlation coefficient…

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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What is the correlation coefficient for these data? Use either the =correl(array1,array2) formul in excel, or the correlation feature in the Data Analysis ToolPak Add-in for Excel to determine the correlation coefficient.

Report your answer to four decimal places.

Subject	2nd Language Proficiency	Grey Matter Density
1	0.01	-0.07
2	0.44	-0.08
3	0.89	-0.01
4	1.26	-0.009
5	1.69	-0.023
6	1.97	-0.009
7	1.98	-0.036
8	2.24	-0.029
9	2	-0.001
10	2.58	-0.023
11	2.5	-0.006
12	2.75	-0.008
13	3.25	-0.006
14	3.85	0.015
15	3.04	0.018
16	2.55	0.023
17	2.5	0.022
18	3.11	0.036
19	3.2	0.059
20	3.52	0.062