please help please add work er 3: Part 3 G Question 1: Consider The Follow x 1 +

Question

please help please add work

er 3: Part 3 G Question 1: Consider The Follow x 1 + newconnect.mheducation.com/flow/connect.html Chapter 3: Part 36 Help Save & Exit Submit Check my work Consider the following sample data 20 18 29 27 14 Click here for the Excel Data Fils o. Calculate the covariance between the variables (Negative value should be indicated by a minus sign. Round your intermediate calculations to at least 4 decimal places and final onswer to 2 decimal places.) Covariance b. Caiculate the corelation coefficient (Round your intermediate calculations to 4 decimal places and final answer to 2 decimal places.) 11:54 AM to sea ype

Explanation / Answer

Ans:

a) Covariance=E(xy)-E(x)*E(y)

=453.2-20.6*20.8

=24.72

b)

Correlation cofficient,r=(5*2266-103*104)/SQRT((5*2303-103^2)*(5*2250-104^2))=0.99

x y xy x^2 y^2 1 11 14 154 121 196 2 18 20 360 324 400 3 21 21 441 441 441 4 24 22 528 576 484 5 29 27 783 841 729 Total= 103 104 2266 2303 2250 mean= 20.6 20.8 453.2

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