class 11 Math Algebra Statistics
Let be n observations, and let be their arithematic mean and be their variance.Statement 1: Variance of .Statement 2: Arithmetic mean of .
(a)
Statement 1 is false, statement 2 is true
(b)
Statement 1 is true, statement 2 is true; statement 2 is a correct explanation for statement 1
(c)
Statement 1 is true, statement 2 is true; statement 2 is not a correct explanation for statement 1
(d)
Statement 1 is true, statement 2 is false

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determinants
matrices
binomial theorem
complex numbers and quadratic equations
sequences and series
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determinants
matrices
binomial theorem
complex numbers and quadratic equations
sequences and series
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