Coefficient Of Dispersion MCQ Tests
12th Class Statistics MCQ Tests
Coefficient Of Dispersion
of 12th Class Statistics has 5 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 5
Total Marks: 5
Time: 5 Mins
Total Questions: 5
Total Marks: 5
Time: 5 Mins
5Min : 00 Sec Remaining
Question # 1
If each value is divided by 5, its co-efficient of variation is reduced by what percentage?
Question # 2
If quartile deviation of certain items is 20 and mean is 50 then what is the co-efficient of Q.D.
Question # 3
The sum of squares of deviations taken from mean 40 for 9 sample observations is 288. Find co-efficient of variation.
Question # 4
The co-efficient of range for the values 15, 12, 27, 6, 9, 18, 21 is:
Question # 5
If the first 25 percent observations of a series are 20 or less and last 25 percent observations of a series are 50 or more, the co-efficient of Q.D is:
Total Questions
12345
Question # 1
If each value is divided by 5, its co-efficient of variation is reduced by what percentage?
Question # 2
If quartile deviation of certain items is 20 and mean is 50 then what is the co-efficient of Q.D.
Question # 3
The sum of squares of deviations taken from mean 40 for 9 sample observations is 288. Find co-efficient of variation.
Question # 4
The co-efficient of range for the values 15, 12, 27, 6, 9, 18, 21 is:
Question # 5
If the first 25 percent observations of a series are 20 or less and last 25 percent observations of a series are 50 or more, the co-efficient of Q.D is:
Total Questions
12345
Statistics
- Representation and Exploration of Data
- Measure of Central Tendency or Averages
- Measures of Dispersion
- Index Numbers
- Regression and Correlation Analysis
- Analysis of Time Series
- Set Theory
- Introduction to Probability
- Random Variables and Distributions
- Binomial and Hypergeometric Distributions
- The Normal Distribution
- Sampling and Sampling Distributions
- Statistical Inference:Estimation
- Statistical Inference:Hypothesis Testing
- Association of Attributes
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