ECAT Pre General Science Statistics Online Test

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  • Available questions176
  • Chapter NameCh 1

ECAT Pre General Science Statistics Online Test

  • Total Questions30

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ECAT Pre General Science Statistics Online Test

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Question # 1

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

Question # 2

A well defined collection of distinct objects is called

Question # 3

In tabulation, row captions are also called

Question # 4

If the critical region is located equally in both tails of the sampling distribution of test statistic, the test is called a

Question # 5

The simplest form of the continuous distribution is the

Question # 6

The graph of the time series is called

Question # 7

If A denote that the object possesses the attribute A, thenα, means

Question # 8

The shape of binomial distribution depends upon the value of its

Question # 9

Sum of absolute deviations are minimum if computed from

Question # 10

A discrete variable is also known as

Question # 11

Probaility of an event cannot be

Question # 12

The statistical estimation of population is divided into

Question # 13

The variance of a constant is

Question # 14

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

Question # 15

If r = 1 or -1, the regression lines are

Question # 16

The sum of deviations of the value from the mean is always

Question # 17

The heading for different columns are called

Question # 18

Sample mean is a

Question # 19

Rejecting a null hypothesis, when it is true, is called

Question # 20

The mean of the absolute deviations between the values and their median is called

Question # 21

The most frequent value in a data set is called

Question # 22

Indices that involve a group of commodities are referred to as

Question # 23

The data which have not undergone any statistical treatment are ________ data

Question # 24

An estimator is always is

Question # 25

In chain base year method, the _________ is fixed

Question # 26

The results obtained by rolling a die, is an example of

Question # 27

If P(B) = 0, then the conditional probability is

Question # 28

Link relatives are not directly comparable because they have

Question # 29

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

Question # 30

If a set contains a specific number of elements then it is called

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