In w.o.r 2σx=_____________________?
A. 26/√n√N – n/N – 1
B. σ/√n√N – n/N – 1
C. 26/√n N – n/N – 1
D. 26/√n
A. 26/√n√N – n/N – 1
B. σ/√n√N – n/N – 1
C. 26/√n N – n/N – 1
D. 26/√n
A. 800 MW
B. 900 MW
C. 600 MW
D. 500 MW
A. Serious error
B. Dispersion
C. Standard error
D. Difference
A. Unknown
B. Large
C. Small
D. Know
A. Four
B. Six
C. Three
D. Seven
A. Only Once
B. More than once
C. Less than once
D. None of these
A. Only when the sample size is at least 100.
B. Only when the sample size is smaller than 30
C. Always
D. Only when the sample size is at least 30.
A. Independent
B. Associated
C. Dis-associated
D. None of these
A. 3
B. (2)
C. 1
D