A. E(x) – E(x)
B. E(X) – 0
C. 0
D. E(x) + E(x)
Related Mcqs:
- Two attributes are associated if expected frequency is ____________________?
A. Less than observed
B. Greater than observed
C. Equal to observed
D. None of these - E(ax + b) = A E(x) +___________________?
A. (C)
B. E(x)
C. b E(a)
D. b - Sampling errors are reduced by:___________________?
A. Increasing the sample size
B. Decreasing the sample size
C. Increasing population s.d.
D. None of these - The hypothesis which is being tested is called ___________________?
A. Composite hypothesis
B. Alternative hypothesis
C. Null hypothesis
D. Simple hypothesis - An estimator Q is an unbiased estimator of the population parameter Q if ___________________?
A. E(x) = µ
B. E(Q) =Q
C. E(Q) =Q
D. E(P) = P - Binomial distribution is symmetrical when P=___________________?
A. n
B. x
C. q
D. 1 – P - The probability of success changes from trial to trial in:___________________?
A. Binomial distribution
B. Geometric distribution
C. Sampling distribution
D. Hypergeometrical distribution - The mean of hypergeometric distribution is:___________________?
A. Nk/N
B. N-k/n
C. nN/k
D. n+k/N - The relation showing between whole and its components used chart is said to be ___________________?
A. Component bar chart
B. Multiple bar chart
C. Pie Chart
D. Simple Bar chart - The process of systematic arrangement of data in rows and columns is called ___________________?
A. Classification
B. Tabulation
C. Frequency
D. Frequency distribaution
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