ECAT Pre General Science chapter wise online mcq test with answers for Statistics

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ECAT Statistics Chapter 1 Important MCQ's

Sr.#	Question	Answer
1	Most of the decisions that affect our daily lives are based upon	A. Absolute certainty B. Likelihood C. Independent D. None of these
2	If no attributes are specified, then the order of the class is	A. 0 B. 1 C. n D. None of these
3	The CPU of a digital computer consists of	A. ALU B. Main memory C. Control unit D. All of the above
4	The sum of probabilities of events of a sample space is always	A. Zero B. One C. Two D. Infinity
5	The variance of a constant is	A. Constant B. Zero C. One D. None of these
6	A variable whose values depend upon the outcomes of a random experiment is called a	A. Constant B. Parameter C. Random variable D. Continuous variable
7	The sum of deviations of the value from the mean is always	A. Minimum B. Maximum C. One D. zero
8	Probability sampling is also called	A. Random sampling B. Discrete sampling C. Continuous sampling D. Standard error
9	Binomial distribution has two	A. Variables B. Constants C. Parameters D. None of these
10	A discrete variable is also known as	A. Continuous B. Discontinuous C. Random Variable D. Deviation

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ECAT Pre General Science MCQ Test With Answer for Statistics Full Book

MCQ's Test For ECAT Pre General Science Statistics Online Test

ECAT Pre General Science Statistics Online Test

Sample mean is a

Recording the time (minutes) taken by the customers to wait for its turns in a utility store while standing in a queue, is an example of

A descriptive measure on the sample observation is called

G.M becomes zero if any of the observation is

A computer stores instructions in

Computer means

The branch of statistics concerned with using probability concepts to deal with uncertainty in decision making is called

Statistical laws are true

The process of dividing the objects into two mutually exclusive classes is called

Time series analysis is used to analyze data

We refer the difference between the sample result and the true value as

The sum of probabilities of events of a sample space is always

The graph of the time series is called

_______ is a quantity computed from a population when the entire population is available.

The co-efficient of variation is also called

The statement of the alternative hypothesis never contains a(n) ________ sign regarding the specified value of the parameter

The probability distribution of a discrete random variable is usually written with the help of a function, called its

Which of the following is not a hardware

A procedure of making judgment about the unknown value of a population parameter by using the sample observation is called

Geometric mean of 0, 5, 1, 4, 8 is

For a two tailed test of hypothesis at alpha = 0.10, the acceptance region is the entire region

The height of students, between 5.0 and 5.9 feet, is an example of

If "a" and "b" are constants, then E(ax + b) =

In tabulation, row captions are also called

First-hand collected data is called

When each outcome of a sample space is as likely to occur as any other, the outcomes are called

Simple bar chart is represented by

In tabulation, column captions are also called

The purpose of simple linear regression analysis is to

Frequency polygon is a

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ECAT Statistics Chapter 1 Important MCQ's

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