Statistics

Measures of Dispersion
Which measure of dispersion has a different unit other than the unit of measurement of values:
Range
Standard deviation
Variance
Mean deviation
Author: rikazzz Comment
Measures of Central Tendency
________ is the measure of average which can have more than one value:
Mean
Median
Harmonic Mean
Mode
Author: rikazzz Comment
Measures of Dispersion
The variance is zero only if all observations are the:
Different
Square
Square root
Same
Author: rikazzz Comment
Measures of Central Tendency
What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?
5
6
7
5
Author: rikazzz Comment
Sampling Techniques
Sampling techniques was written by:
William G Cochran
Ronald A Fisher
Kish
Deming
Author: rikazzz Comment
Measures of Dispersion
If the dispersion is small, the standard deviation is:
Large
Zero
Small
Negative
Author: rikazzz Comment
Probability Distribution
Variance is n/(n-2) of:
Beta distribution
t- distribution
F- distribution
?2- distribution
Author: rikazzz Comment
Sampling Techniques
The bias is negligible in:
large samples
small samples
ratio
sample mean
Author: rikazzz Comment
Measures of Dispersion
Standard deviation is always:
Negative
Positive
Zero
None of the above
Author: rikazzz Comment
Statistical Inference
If conditional pdf is independent from parameter then the statistic is said to be:
Efficient
Sufficient
Estimator
None of these
Author: rikazzz Comment

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