Statistics MCQS for NTS Test
A disadvantage of range is that it is based on
Squared deviations
Absolute deviation
Two extreme observation
The probability of rejecting Ho when it is true is called
power of the test
Size of test
Level of confidence
Confidence co-efficient
In binomial distribution:
Zero
Mean < variance
Mean > variace
Mean = variance
A graph of a cumulative frequency distribution is called:
Ogive
Histogram
Frequency curve
Frequency polygon
If any value is negative in the data then it is impossible to calculate:
H.M
Mode
G.M
A.M
Which average cannot be compound if any value is less than zero
G.M
A.M
Median
Mode
Two attributes are independent if
(AB) > (A)(B) / N
(AB) = (A)(B) / N
(AB) < (A)(B) / N
(AB) 1 (A)(B) / N
The probability of red card out of 52 cards is:
Zero
1/4
1/2
4/52
The sum of deviations from arithmetic mean is:
1
5
a
0
The lack of uniformity is called
Kurtosis
Skewness
Symmetry
Dispersion
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