ECAT Pre General Science Statistics Online Test With Answers

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ECAT Pre General Science Statistics Online Test

Sr. # Questions Answers Choice
1 Simple bar chart is represented by Circular region Polygons Rectangles None of these
2 The number used to describe classes in a frequency distribution are called Class limits Relative frequency Cumulative frequency Width of class
3 The difference between the upper and the lower class boundaries of a class is called Class interval Class distribution Frequency Cumulative frequency
4 The number of tally count for each value is its Range Frequency Class boundaries Class mark
5 Data are classified according to one characteristic, called One-way classification Tabulation Single classification Documentation
6 The part of column captions is called Stub Body of the column Box-head Prefatory
7 The part of the table containing row captions is called Stub Row captions Box-head Row-head
8 The entries in different cells of columns and rows in a table are called Body of the table Captions Stub Prefatory notes
9 The heading for different rows are called Footnotes Prefatory note Stub None of these
10 The heading for different columns are called Stubs Source notes Columns captions Footnotes
11 The process of making tables or arranging data into rows and columns is called Classification Tabulation Information Arrangement
12 The data which have not undergone any statistical treatment are ________ data Primary Secondary Grouped None of these
13 Statistical laws are true On the average In each case In long run None of these
14 Primary data and ungrouped data are Same Opposite Not same Proportional
15 A discrete variable is also known as Continuous Discontinuous Random Variable Deviation
16 A sample is a representative part of a Continuous Discrete Population Parameter
17 Level of satisfaction is Continuous Discrete Population Qualitative
18 When statistics is applied in Economics, it is called: Psychometry Econometrics Economistics Trigonometrics
19 _______ is the chance variation in an observation. Random error Mean Deviation Discrete Varibale
20 A value calculated from sample is called Parameter Variable Constant Statistic
21 The arrangement of data in order of magnitude is called Order statistic Parameter Ratio Parameters
22 _______ is a quantity computed from a population when the entire population is available. Variables Surveys Ratio Parameters
23 Quantities which don't vary from individual to individual are called Variables Surveys Constant Parameters
24 Another name of the population is Experiment Survey Universe Parameter
25 A __________ is the totality of items or things under consideration Sample Population Statistic Parameter
26 First-hand collected data is called primary data secondary data grouped data ungrouped data
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