from the data given below find the number of items. r=0.5 Σxy=120 Σx²=90 Oy=8 (Where x and y are deviation from arithmetic average) ​

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Answers 1

Answer:

r=0.5 Σxy=120{3} - 2x {}^{2} + 3x - 4 = 0[/tex]

Explanation:

y=8

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