If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________?
A. 0
B. -0.32
C. 1.2
D. 0.2684
Statistics Mcqs
In normal distribution β1 = 0 and β2 is equal to _____________?
In normal distribution β1 = 0 and β2 is equal to _____________?
A. 0.5
B. 1
C. 2
D. 3
For +ve and -ve skewed, check the sign of _______?
For +ve and -ve skewed, check the sign of _______?
A. β1
B. µ2
C. β2
D. µ3
Total area under the normal curve is________?
Total area under the normal curve is________?
A. 100
B. 1
C. 50%
D. 1%
Normal distribution is _____ distribution?
Normal distribution is _____ distribution?
A. Symmetrical
B. non-symmetrical
C. + vely skewed
D. -vely skewed
Area to the right of (z=0) is the area for ____ values of z?
Area to the right of (z=0) is the area for ____ values of z?
A. Zero
B. Negative
C. Positive
D. None of these
The standardized normal variate z means_________ away from the mean?
The standardized normal variate z means_________ away from the mean?
A. Mean
B. S.D.
C. Variance
D. None of these
In a normal distribution, what is the z score associated with the mode ?
In a normal distribution, what is the z score associated with the mode ?
A. -1
B. 0
C. +1
D. None of these
If X ˜ N (µ, σ2) then Z ˜__________?
If X ˜ N (µ, σ2) then Z ˜__________?
A. N(0, σ2)
B. N(1, σ2)
C. N(0, 1)
D. N(1, 1)
Normal distribution is the distribution of _______________?
Normal distribution is the distribution of _______________?
A. Discrete r.v.
B. Continuous r.v.
C. Qualitative variable
D. Quantitative variable