15. The variates x and y have zero means the same variance g2 and zerc correlation show that u = (x cos a+y sin a); v = x sin a-y cos a have the sam variance o2 and zero variance.

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15. The variates x and y have zero means the same variance o2 n
zerc correlation show that u = (x cos a +y sin a); v = x sin a-y cos a have the sa
variance o? and zero variance.
00.0h-
Transcribed Image Text:15. The variates x and y have zero means the same variance o2 n zerc correlation show that u = (x cos a +y sin a); v = x sin a-y cos a have the sa variance o? and zero variance. 00.0h-
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