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	In data of birth's and death'd and epidemics as a result of advancement in medical sciences, the secular trend is usually	A. a downward tendency B. zero tendency C. an upward tendency D. None of these
2	Indices that involve a group of commodities are referred to as	A. Simple indices B. Common indices C. Aggregate indices D. Relative indices
3	Data are classified according to one characteristic, called	A. One-way classification B. Tabulation C. Single classification D. Documentation
4	The null hypothesis always refers to a specified value of the	A. Population parameter B. Statistic C. Sample statistic D. None of these
5	Computer means	A. Complete B. Processing C. Data D. Calculate
6	Level of satisfaction is	A. Continuous B. Discrete C. Population D. Qualitative
7	Random variable is also called	A. Changing B. Stochastic C. Chance or stochastic D. None of these
8	Time series analysis is used to analyze data	A. Over different time periods B. Across different companies C. Across different companies and across different time periods D. That are qualitative
9	The null hypothesis (H_o) is the hypothesis that is always	A. rejected B. accepted C. zero D. tested
10	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. Discrete variable B. Continuous variable C. Constant D. Parameter

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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

The most common measures of absolute variability are also called

The degree of relationship between the two attributes is called

A sample is a representative part of a

The arrangement of data in order of magnitude is called

__________ is a measure of number of vibration per second

If no attributes are specified, then the order of the class is

A value calculated from sample is called

Which of the following would likely be a trend component of a time series

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

A specific value of an estimator computed from the sample data after the sample has been observed is called

The unit of frequency is

Probaility of an event cannot be

A fire in a factory delaying production for 3 weeks is an example of

A time series of annual data can contain which of the following components

If any value is zero, then it is impossible to calculate

A set containing only one element is called

In the study of two attributes, n =

Level of satisfaction is

A null hypothesis is always one of status quo or

Which of the following is not a hardware

A point estimate is a single number that is used to estimate an unknown

If x and y are independent variables, then two lines of regression are

The probability distribution of a discrete random variable is usually called its probability

A set that contains no element is called

The first moment about mean is equal to

Most of the decisions that affect our daily lives are based upon

Which of the following would likely be a seasonal component of a time series

Primary data and ungrouped data are

In symmetrical distribution, mean, median and mode are

The measures of dispersion are changed by a change of

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ECAT Statistics Chapter 1 Important MCQ's

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