The standard deviation is always _________ than mean deviation?
The standard deviation is always _________ than mean deviation?
A. Greater
B. Less
C. Equal
D. None
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We must arrange the data before calculating ______________?
We must arrange the data before calculating ______________?A. Mean
B. Median
C. Mode
D. G.MThe mean deviation of the values, 18, 12, 15, is_______________?
The mean deviation of the values, 18, 12, 15, is_______________?A. 6
B. Zero
C. 3
D. 2The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?A. 20
B. 5
C. 2.5
D. 0For a biased estimator θˆ of θ, which one is correct_______________?
For a biased estimator θˆ of θ, which one is correct_______________?A. MSE(θˆ)=SD(θˆ)+Bias
B. MSE(θˆ)=Var(θˆ)+Bias2
C. MSE(θˆ)=SD(θˆ)+Bias2
D. MSE(θˆ)=Var(θˆ)+BiasThe number of accidents in a city during 2012 is____________?
The number of accidents in a city during 2012 is____________?A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. ConstantThe sum of squares of deviation is least if measure from__________?
The sum of squares of deviation is least if measure from__________?A. Mean
B. Mode
C. Median
D. Variance