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

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

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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Statistics Online Test

00:00
Question # 1

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

Question # 2

A null hypothesis is always one of status quo or

Question # 3

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

Question # 4

If all items are given equal weight, the index number is called

Question # 5

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

Question # 6

The two attributes A and B are independent, if the co-efficient of association

Question # 7

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

Question # 8

A symmetrical distribution has mean equal to 4. Its mode will be

Question # 9

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

Question # 10

Mean deviation is always

Question # 11

If any value in the data set is zero, then it is not possible to compute

Question # 12

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

Question # 13

The number used to describe classes in a frequency distribution are called

Question # 14

The probability of a type 1 error is

Question # 15

If r between the lines of regressions of x and y and y on x, is +1, then

Question # 16

The heights of all the students enrolled at a college in a given year, is an example of

Question # 17

The arrangement of data in order of magnitude is called

Question # 18

The Greek lettersα ,β ....... are used to denote the ________ of A,B,C ............

Question # 19

A computer stores instructions in

Question # 20

The measures of dispersion are changed by a change of

Question # 21

A sample statistic that is used to estimate the unknown true value of a population parameter is called

Question # 22

Quantities which don't vary from individual to individual are called

Question # 23

If the sum of the product of deviations of x and y series from their means is zero, the correlation coefficient will be

Question # 24

The most common measures of absolute variability are also called

Question # 25

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

Question # 26

Lack of symmetry is called

Question # 27

The probability density function of a continuous random variable Y is specified by a

Question # 28

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

Question # 29

Sum of absolute deviations are minimum if computed from

Question # 30

The number of tally count for each value is its

Submit

Prepare Complete Set Wise ECAT Pre General Science Statistics Online Test MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Statistics Online Test MCQ`s Test

  • A
    Amna Naz 16 - Nov - 2024 03 Min 28 Sec 120/120
  • F
    Fatima Idrees 26 - Mar - 2026 13 Min 14 Sec 92/120
  • M
    Muhammad Abdullah 26 - Mar - 2026 18 Min 34 Sec 92/120
  • U
    Unknown 02 - Dec - 2021 00 Min 24 Sec 90/120
  • M
    Maryam 20 - Jul - 2022 07 Min 08 Sec 90/120
  • Q
    Qursam Lehrat 08 - Mar - 2023 13 Min 38 Sec 90/120
  • B
    Be motivated 24 - Feb - 2023 04 Min 30 Sec 80/120
  • E
    Eman Butt 30 - Jun - 2022 05 Min 11 Sec 70/120
  • S
    shahid naeem 25 - Mar - 2026 06 Min 29 Sec 68/120
  • A
    Alvina Mehak 06 - Jun - 2024 06 Min 56 Sec 65/120
  • H
    hamza abid 02 - Apr - 2022 10 Min 50 Sec 65/120
  • S
    Saad Ahmad 07 - Jul - 2024 09 Min 21 Sec 60/120
  • R
    Rizi 30 - Nov - 2024 06 Min 39 Sec 55/120
  • A
    Abdulsammad Satti 08 - Jan - 2023 10 Min 50 Sec 55/120
  • S
    shabana hashmi 28 - Mar - 2026 03 Min 59 Sec 52/120

ECAT Statistics Chapter 1 Important MCQ's

Sr.# Question Answer
1 A time series of annual data can contain which of the following components
A. Secular Trend
B. Cyclical fluctuation
C. Seasonal variation
D. (A) and (B) only
2 If r = 1 or -1, the regression lines are
A. Parallel
B. Inclined at the angle <
C. Perpendicular
D. None of these
3 The probability distribution of a discrete random variable can be described with the help of a two
A. Rows table
B. Column table
C. Circles
D. Curves
4 The positive square root of the variance is refered to as the
A. Mean deviation
B. Quartile deviation
C. Standard deviation
D. Range
5 In continuous distribution, P(y=a) and P(y= b) is always
A. Zero
B. One
C. Undefined
D. Negative
6 In chain base year method, the _________ is fixed
A. Year
B. Price
C. Quantity
D. Price and quantity
7 The shape of binomial distribution depends upon the value of its
A. Constants
B. Parameters
C. Variables
D. Integers
8 Sample mean is a
A. Constant
B. Parameter
C. Variable
D. Statistic
9 The difference between the expected value of a statistic and the true value of the parameter being estimated is called
A. Accuracy
B. Error
C. Precision
D. Bias
10 If the two regression coefficients are 0.8 and 0.2, then coefficient of correlation r is
A. 0.4
B. -0.4
C. 1.6
D. None of these

Test Questions

Is this page helpful?