IC82 STATISTICS - 05
Q1.Some errors may arise on account of manipulation in measurement description or approximation. Such errors are known as ____. |
a) Errors of origin |
b) Errors of inadequacy |
c) Errors of manipulation |
d) None of these |
Q2.Which has been defined as a variation that is periodic in nature involving up and down movements. But, the periodicity in movement is irregular and may extend over several years? |
a) Cyclic variations |
b) Method of Least Squares |
c) Free-Hand Drawing |
d) Seasonal variations |
Q3.The following is the trend of deaths taking place of 300 insured cattle in two different regions. Find out the extent of Skewness in the distributions and find which Region is perfectly symmetrical? |
a) Region A |
b) Region B |
c) Both Region A and B |
d) None of the above |
Q4.In order to ascertain the Modal size of Fire Claims, the General Insurance Company selected 60 Claims on a random basis out of 600 Claims paid during the Quarter. The following is the distribution of claims paid in Class-Interval Variables. Find Modal Value? |
a) Rupees 21,654/- |
b) Rupees 32,584/- |
c) Rupees 41,643/- |
d) Rupees 50,245/- |
Q5.What is defined as the value of variables that divides an ordered set of observations into two equal parts? |
a) Mean |
b) Median |
c) Mode |
d) None of these |
Q6.Portfolio of loss exposures are classified into how many categories? |
a) One |
b) Two |
c) Three |
d) Four |
Q7.Population parameters can be estimated by the study of samples and the sample mean, median, variance, or standard deviation are used as estimators of population parameters and in statistics, they are referred to as _____. |
a) Sample statistics |
b) Population parameters |
c) Poisson Distribution |
d) Cumulative Function |
Q8.The ____ distribution indicates a peaked curve of distribution. |
a) Meso-Kurtik |
b) Lepto-Kurtik |
c) Platy-Kurtik |
d) None of these |
Q9.Which of the following are common rules of Sampling Distribution? |
a) The sampling distribution for a simple statistic calculated from a sample of n measurements is the probability distribution of the sample statistic |
b) Where the size of the population is very large and the sample size(n) is very small, the Correction Factor tends to be 1, and should be ignored |
c) A point estimator of a population parameter tells as a rule how to use sample data to calculate a single figure that can be used as an estimate of the population parameter |
d) All of the above |
Q10.When we observe a group of elements with respect to some ___, each element is described in terms of an attribute. |
a) Qualitative Variable |
b) Quantitative Variable |