Correlation coefficient is__________?
Correlation coefficient is__________?
A. Absolute measure
B. Relative measure
C. Both a and b
D. None of the above
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Let Z1,Z2,….Zn be independent and identically distributedrandom variable, satisfying E[ι Zt ι]
Let Z1,Z2,….Zn be independent and identically distributedrandom variable, satisfying E[ι Zt ι]<∞. Let N be an integer valued random variable whose value n depends only on the values of the first n Z¡’s. Suppose E(N)< ∞, then E(Z1,Z2,….Zn)=E(N)E(Z) is called ?A. Independence Equation
B. Sequential Probability Likelihood Equation
C. Neyman Pearson Lemma
D. Wald’s EquationThe equation of standard normal distribution is f(z)=________?
The equation of standard normal distribution is f(z)=________?A. 1/σ√2∏e 1/2×2
B. 1/σ√2∏e -1/2×2
C. 1/√2∏
D. 1/σ√2∏The sum of square of deviation is least when measured from ____________?
The sum of square of deviation is least when measured from ____________?A. Arbitrary value
B. Mean
C. Mode
D. G.M.The formula ∑poqn/∑poqo x100 is used to calculate_______________?
The formula ∑poqn/∑poqo x100 is used to calculate_______________?A. The Laspeyres price index
B. The Paasche quantity index
C. The Laspeyres quantity index
D. The Paasche price indexThe variance of binomial distribution is always:________________?
The variance of binomial distribution is always:________________?A. Less than mean
B. Equal to mean
C. Greater than mean
D. Equal to standard deviation
E. None of theseif we connect the mid point of rectangles in a histogram with a series of lines, we get __________
if we connect the mid point of rectangles in a histogram with a series of lines, we get __________A. Mid point
B. Interval
C. Frequency curve
D. Frequency Polygon