Q 1. The ____________ is another approach to present the data which gives residual population of frequency with increase in value of Class-Interval.
Q 2. The method of sampling may be grouped into how many categories?
Q 3. In such case, we have to take into consideration, adequate size of sample and compute 'r' as a correlation coefficient to estimate the _______________.
Q 4. A national random sample of 20 ACT scores from 2010 is listed below. Calculate the sample
mean and standard deviation.nbsp;
29, 26, 13, 23, 23, 25, 17, 22, 17, 19, 12, 26, 30, 3
Q 5. Which of the following is and current formula of Co-efficient of Scatter?
Q 6. Which data is collected for the first time and is original in character?
Q 7. Which of the following are limitations of the Use of Median?
Q 8. The admission for a specified course is subject to minimum #39; Weighted Average#39; Marks and different weight is prescribed for each of the five subjects at Graduation is as follows: 1.w_1:Regional Language 2.w_2:English 3.w_3:Phys
Q 9. This is the most common type of probability sampling and a sampling plan in which every element of population has an equal chance of being selected as a Sample, and each possible Sample has equal probability of being selected is called as?
Q 10. The ___________ arise due to many factors like inappropriate definition of the unit of measurements, bias of the investigator inherent instability of the collected data.
Q 11. Under which probability, all possible permutations can be worked out in advance and probability value can be assigned to each such permutations?
Q 12. What can be used to represent data which are of theoretical nature and in which a particular type of mathematical relationship holds good?
Q 13. Q13) The relative dispersion is known as ________________.
Q 14. When the data is ground under different characteristics, assigning number 1,2,3,4 to each group to identify the group by the index number is known as ?
Q 15. When it is inevitable to __________ of consumer Price Index due to change in life-style of the consumers at large, the index number in new series from the year in which the change is contemplated is known as New Base year.
Q 16. The linear function of a straight line is given by: y = a +(b * x) , where , a and b, are constant of value of x varies and it is the conditional distribution of y, wherein, the values of y are determined by the values of x. and the conditional distr
Q 17. Since probability is equal for all the values of Distribution, there is no modal value. Say whether True or False.
Q 18. Which method of calculation of variance and stand ard deviation is slightly modified by taking Mid-point of Class-interval with True Limits and the variance is to be multiples by the square of the width of Class-Interval?
Q 19. In _____________, the observations are grouped into a set of mutually exclusive and collectively exhaustive classes and the number of observations in each class counted.
Q 20. x- variables is taking 10 Values as follows:
30,35,40,45,50,55,60,65,70 and 75.
The Arithmetic Mean of x Variable is calculated as under:
Q 21. The variance is to be determined depending upon
Q 22. When a figure implies accuracy greater than what it has, such accuracy is known as ____________ and this kind of accuracy is not only pointless, but also at times, be misleading.
Q 23. The sampling distribution of F on the basis of hypothesis that the variances of the two populations are equal will be independent of and sigma;^2 and will depend only on n_1 and n_2, the sizes of the two samples and this distribution is known as ____
Q 24. Measures of Second Order(Second Moments) are known as __________ from the Mean, denoted by Stand ard Deviation(and sigma;) and Variance(and sigma;^2) .
Q 25. What is known as the difference between the true value and the estimate value?
