IC82 STATISTICS - 10
Q1.Is the most common measure of Central Tendency after the Mean is ___ and it is the central point of all the observations dividing the data into two equal halves if the observations are arranged in ascending or descending order of the value of variables. |
a) Mean |
b) Median |
c) Mode |
d) None of these |
Q2.What is a planned process by which observations are made and/or data is collected? |
a) Outcome |
b) Experiment |
c) Sample space |
d) None of these |
Q3.The important property of a Normal Curve is that it is not 'skewed, but is perfectly symmetrical. and the shape of such a curve is like a bell and usually, in statistical language, they are called as ____. |
a) Normal curve |
b) Ball shaped Frequency Curves |
c) Bell Shaped Frequency Curves |
d) None of these |
Q4.A Marketing Organization wants to select a Dealer to sell the New Product of a Manufacturer. The approach of the Marketing Organization is to give preference to that Dealer who, in the existing business, keeps articles with a very wide range of prices. The following three Dealers approached the Marketing Organization for getting a Dealership of a New Product. The following is the record Available: Dealer-A deals in Garments, with a range of products on the basis of Prices in Rupees 100/- to Rupees 1,500/-. Dealer-B deals in Presentable Articles, with a Range of products on the basis of Prices in Rupees 150/- to Rupees 1,000/-.Dealer-C deals in General Stores, with a Range of products on the basis of Prices in Rupees 5/- to Rupees 300/-. Who is the better choice? |
a) Dealer A |
b) Dealer B |
c) Dealer C |
d) None of these |
Q5.This process of combining two or more overlapping series of index numbers into one continuous series is called_____. |
a) Sampling |
b) Probability |
c) Index number |
d) Splicing |
Q6.Hence, the Probability of X taking any value less than one and greater than 4 is zero. The function :F(X) is known as _____. |
a) Cumulative Density Function |
b) Probability Density Function |
c) Cumulative Mass Function |
d) None of these |
Q7.The residual of the total variance is known as _____. |
a) Unexplained variance |
b) Explained variance |
c) Treatment variance |
d) Operation variance |
Q8.Which of the following are types of problems in the construction of Index Numbers? |
a) Choice of the Base Year |
b) Choice of Weights |
c) Determination of the Formula |
d) All of the above |
Q9.The admission for a specified course is subject to minimum ' Weighted Average' 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:Physics 4.w_4:Mathematics 5.w_5:Statistics. Find the Weighted Average for Student B? |
a) 55.8 |
b) 56 |
c) 61.7 |
d) 57.7 |
Q10.Which of the following are important properties of Median? |
a) The median is not materially affected by very high or low values of the variables at both ends. |
b) The Median can be calculated even if the value of a few items of variables are not known if such variables are situated at extreme end. |
c) It can be calculated by Histogram |
d) All of the above |
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