ECAT Statistic Test Online Preparation Mcqs

ECAT Statistic Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. A central value is also called:

A. Central tendency

B. Population

C. Parameter

D. Variability

Question 1 of 15

Question 2 of 15

2. One-sided and two-sided tests are based on:

A. Alternative hypothesis

B. Null hypothesis

C. Sample size

D. Level of significance

Question 2 of 15

Question 3 of 15

3. The rule of formula that is used to estimate a population parameter is called:

A. Estimator

B. Estimation

C. Estimate

D. Estimate parameter s

Question 3 of 15

Question 4 of 15

4. The difference between the highest and lowest values in a population is called:

A. Variance

B. Mean deviation

C. Range

D. Standard deviation

Question 4 of 15

Question 5 of 15

5. A variable whose values depend upon the outcomes of a random experiment is called a:

A. Constant

B. Parameter

C. Continuous variable

D. Random variable

Question 5 of 15

Question 6 of 15

6. First hand collected data is called:

A. Secondary data

B. Grouped data

C. Ungrouped data

D. Primary data

Question 6 of 15

Question 7 of 15

7. Lack of symmetry is called:

A. Skewness

B. Dispersion

C. Kurtosis

D. Moment

Question 7 of 15

Question 8 of 15

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

A. Independence

B. None of these

C. Absolute certainty

D. Likelihood

Question 8 of 15

Question 9 of 15

9. A sample which is free from bias is called:

A. Unbiased sample

B. Random sample

C. Non-random sample

D. Biased sample

Question 9 of 15

Question 10 of 15

10. The process of making tables or arranging data into rows and columns is called:

A. Tabulation

B. Information

C. Classification

D. Arrangement

Question 10 of 15

Question 11 of 15

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

A. Straight line

B. Circle

C. Rectangle

D. Smooth curve

Question 11 of 15

Question 12 of 15

12. If A and V are independent attributes, then the co-efficient of association is:

A. –1

B. +1

C. Between – 1 and 0

D. 0

Question 12 of 15

Question 13 of 15

13. Normal distribution is the distribution of:

A. Continuous variable

B. Qualitative variable

C. None of these

D. Discrete variable

Question 13 of 15

Question 14 of 15

14. Four fair coins are tossed. What is the probability that exactly one head turns up?

A. 1/2

B. 4/8

C. 2/3

D. 1/4

Question 14 of 15

Question 15 of 15

15. A variable taking countable number of values is called a ________ variable.

A. Continuous

B. Discrete

C. Qualitative

D. None of these

Question 15 of 15

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ECAT Statistic Test Online Preparation Mcqs

ECAT Statistic Test Online Preparation Mcqs With Answers Start Below

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