Business Statistics and Research Methods MCQs

In a particular sample survey, an interviewer is required to interview all of the students at school in Croydon to find out what they think of the education system in India. What is the name used to describe this sampling method?

Match the following.

List-I	List-II
a. Research type	1. Problem solving
b. Research design	2. Feminist
c. Research method	3. Survey

Arrange the following statements in chronological order.
1. Normal distribution was discovered by English mathematician De Moivre.
2. Rediscovered and applied in Science, both natural and social and in parochial affairs by Laplace.
3. Normal distribution was extensively development and utilised by Carl Friedrich Gauss.

Which of the following statement is/are correct?
(1) Circle is a two dimensional diagram.
(2) Frequency polygon represents cumulative frequency.
Select the correct answer using the options given below

Match the following.

List-I	List-II
a. Quartile deviation	1. Obtained by calculating the absolute deviation of each observation from mean
b. Standard deviation	2. Is one-half of the inter-quartile range
c. Mean deviation	3. Is the square root of the average of the squared distances of the observation from the mean

Calculate mean from the following data.

Age (X)	Frequency (f)
17	2
18	1
19	1
20	2
22	3
23	1

Consider the following statements:
1. Correlation analysis helps in determining the relationship between two or more variables it does not tell us anything about the cause and effect relationship
2. The ratio of explained variation to the 1 total variation is called the coefficient of correlation
3. Pearsonian coefficient always assumes linear relationship and is unduly effected by the extreme items
Which of the above statements is/are correct?

Match the following.

List-I	List-II
a. Positive correlation	1. When two or more variables are involved and they are to be studied in relation to their relationship with one another
b. Multiple correlation	2. When ratio of change between two variables is uniform
c. Linear correlation	3. When relationship of two variables is studied by eliminating the effect of other variables from both
d. Partial correlation	4. When movement of variables take place in same direction

Select the methods of finding out correlation from the following:
(i) Karl Pearson's Method
(ii) Spearman's Rank Method
(iii) Yule's Method
(iv) Coefficient of Contingency
(v) Concurrent Deviation Method