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Calculate the correlation coefficient r, Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, lettin

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Answer #1

Solution :

X Y XY X^2 Y^2
16 129 2064 256 16641
27 166 4482 729 27556
40 197 7880 1600 38809
50 156 7800 2500 24336
57 140 7980 3249 19600
62 133 8246 3844 17689
77 172 13244 5929 29584
n 7
sum(XY) 51696.00
sum(X) 329.00
sum(Y) 1093.00
sum(X^2) 18107.00
sum(Y^2) 174215.00
Numerator 2275.00
Denominator 21448.42
r 0.1061
r square 0.0113
Xbar(mean) 47.0000
Ybar(mean) 156.1429
SD(X) 16.2993
SD(Y) 23.3006
b 0.1229
a 150.3656

media%2Fc5a%2Fc5a06565-b735-455a-8621-0c

r = 0.106

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Calculate the correlation coefficient r, Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does sw...
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