Variance And Standard Deviation MCQ Tests
12th Class Statistics MCQ Tests
Variance And Standard Deviation
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 the S.D of 1, 2, 3,4 , 5, 6, 7, 8, 9, 10 is B, then the standard deviation of 11, 12, 13, . . . . . . . , 20 is:
Question # 2
The scores obtained by five students on a set of examination papers were 70, 50, 60, 70, 50. These scores are changed by increasing all scores by 10%. What is the difference between new and original S.D.
Question # 3
If total sum of square is 20 and sample variance is 5 then total number of observations are:
Question # 4
Number of emergency cases in hospital for five days are as 12, 15, 18, 16, 14 then variance of sample is _____.
Question # 5
Sum of all squared deviations is divided by total number of observations to calculate _____.
Total Questions
12345
Question # 1
If the S.D of 1, 2, 3,4 , 5, 6, 7, 8, 9, 10 is B, then the standard deviation of 11, 12, 13, . . . . . . . , 20 is:
Question # 2
The scores obtained by five students on a set of examination papers were 70, 50, 60, 70, 50. These scores are changed by increasing all scores by 10%. What is the difference between new and original S.D.
Question # 3
If total sum of square is 20 and sample variance is 5 then total number of observations are:
Question # 4
Number of emergency cases in hospital for five days are as 12, 15, 18, 16, 14 then variance of sample is _____.
Question # 5
Sum of all squared deviations is divided by total number of observations to calculate _____.
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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Punjab 12th Class Statistics Variance And Standard Deviation