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Business Statistics and Research Methods MCQs

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Practice free Business Statistics and Research Methods multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 1366 questions — no login required.

Question 1360easy

Coefficient of determination is defined as

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Question 1361hard

Problem
5 students get less than 3 marks
12 students get less than 6 marks
25 students get less than 9 marks
33 students get less than 12 marks
The number of students who got 6 to 12 marks in the above problem will be

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Question 1362hard

Which of the following statements is/are true about a population in statistics?
1. Population is the total number of items under observation.
2. Parameter is a characteristics of population.
3. Each unit in a population possess same characteristics.

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Question 1363hard

Match the following.

List-I	List-II
a. Contingency table	1. A statistical test in which the null hypothesis is true and the test statistics has F-distribution
b. Non-parametric statistics	2. Do not depend on the shape of the distribution of the population
c. Parametric statistics	3. Number and nature of parameters are fixed in advance
d. F-test	4. Used to record and analyse the relationship between two variables or more variables, basically categorical variables

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Question 1364hard

Assertion (A): If regression coefficient of X on Y is greater than one, regression coefficient of Y on X must be less than one.
Reason (R): The geometric mean between two regression coefficients is the co-efficient of correlation.
On the basis of the above, choose the appropriate answer :