AIMA Second Semester Assignments
Research Methodology (GM07)
Note: The answers are boldly marked
Question 1:- Rankings of teams in a tournament constitutes which of the following scales?
a) Nominal scale
b) Interval scale
c) Ratio scale
d) Ordinal scale
Question 2:- Which of the following is NOT a disadvantage of secondary data?
a) The objectives, nature, and methods used to collect the secondary data may not be appropriate to the present situation
b) Secondary data may be lacking in accuracy
c) Secondary data may be expensive and time consuming
d) Secondary data may not be completely current or dependable
Question 3:- Which of the following statement is correct about the value of 'Mode' for a set of observations?
a) It is the value that occurs minimum number of times in a distribution and around which other items are scarcely distributed.
b) It is the value that occurs maximum number of times in a distribution and around which other items are densely distributed.
c) It is the least typical of a series of values.
d) It is the value that occurs minimum number of times in a distribution and around which other items are densely distributed.
Question 4:- What is the difference between induction and deduction methods of drawing conclusions from observed data?
a) In the induction method, one starts with observed data and then generalization is done whereas deductive reasoning starts from some general law and is then applied to a particular instance
b) In the induction method, one starts with from some general law and then moves on to a particular instance whereas deductive reasoning starts starts with observed data and then is generalized
c) Both induction and deduction methods of drawing conclusions from observed data are identical and can be used interchangeably
Question 5:- What is the advantage of probability sampling over non-probability sampling?
a) It is unbiased
b) Quantification is easily possible in probability sampling
c) Less knowledge of the universe is sufficient in probability sampling
d) All of the above
Question 6:- Which of the following specify the set of response alternatives as well as the response format?
a) Filter questions
b) Structured questions
c) Unstructured questions
d) Branching questions
Question 7:- Which of the following statements is true as far as deliberate sampling technique is concerned?
a) Sample is obtained by conscious selection of various items by the investigator
b) If the investigator is knowledgeable about the population, estimates obtained using deliberate sampling are likely to be much better than estimates derived using random samples
c) Results of deliberate sampling are likely to be strongly affected by personal prejudices and bias of the investigator
d) All of the above
Question 8:- A random variable is said to be discrete if:
a) It can assume any value within a given interval
b) It can be represented graphically
c) It follows the rules of probability
d) its outcomes are countable
Question 9:- All of the followings are non-probability sampling methods, except:
a) Deliberate Sampling
b) Quota Sampling
c) Roulette Wheel Method
d) Convenience Sampling
Question 10:- What is meant by analysis and interpretation of data?
a) Analysis of data involves organizing the data in a particular manner whereas interpretation of data is a method for deriving conclusions from analyzed data
b) Interpretation of data involves organizing the data in a particular manner whereas analysis of data is a method for deriving conclusions from interpreted data
c) Both analysis and interpretation of data refer to the same activity wherein data is organized in a particular manner and then used for arriving at appropriate conclusions
d) None of the above
Question 11:- Processing of data involves:
a) Editing data
b) Coding data
c) Tabulating data
d) All of the above
Question 12:- Sorting and counting, and summarizing of data form a part of which activity?
a) Editing data
b) Tabulation of data
c) Coding data
d) All of the above
Question 13:- All of the following are measures of central tendency except:
a) Range
b) Median
c) Mode
d) Mean
Question 14:- A research method in which the researcher does not depend on the respondent and the latter does not participate in the research process is known as:
a) Experimental study
b) Descriptive study
c) Observation method
d) Case study
Question 15:- What is a double-barreled question?
a) An open-ended question that respondents may answer in their own words
b) A question that attempts to cover two issues
c) A question wherein the researcher seems to be presenting a bias
d) A question where the respondent is only able to select 'Yes' or 'No' for the answer
Question 16:- If the mean, mode and median for a distribution all equal 50, we can easily infer that the distribution is:
a) Multi-modal
b) Skewed to the left
c) Skewed to the right
d) Symmetric
Question 17:- Snowball sampling is the most appropriate when:
a) The sample is to be drawn from small, specialized populations
b) The sample is to be drawn from a large, homogeneous population
c) The sample is to be drawn from a large, heterogeneous population
d) All of the above
Question 18:- The choice between non-probability and probability samples should be based on all of the following considerations EXCEPT:
a) Nature of the research
b) Relative magnitude of non-sampling versus sampling errors
c) Size of the population
d) Variability in the population
Question 19:- Which of the following most appropriately defines 'Exclusive Method' for designation of class limits in a grouped frequency distribution?
a) The upper limit of a class is taken to be equal to lower limit of the following class.
b) All observations with a value greater than or equal to the lower limit and less than or equal to the upper limit are included in a class.
c) All observations with a value greater than the lower limit and less than or equal to the upper limit are included in a class.
d) All of the above
Question 20:- If the mean of a distribution is greater than the median, then:
a) The distribution is skewed to the left
b) The distribution is skewed to the right
c) The distribution is symmetric
d) There is not enough information to determine shape of the distribution
Question 21:- Which of the following is an example of a continuous random variable?
a) The number of cars on the road
b) The weight of a bag of wheat
c) The number of repairs at a computer shops over the course of the month
d) The total runs scored in a cricket game
Question 22:- Which of the following is a correct statement with respect to the arithmetic mean of given data?
a) The sum of deviations of observations from their arithmetic mean is never 0.
b) The sum of squares of deviations is maximum when taken from their arithmetic mean.
c) If a constant value is added to every observation, the arithmetic mean gets multiplied by the same value.
d) The sum of squares of deviations is minimum when taken from their arithmetic mean.
Question 23:- A researcher wants to select a systematic random sample of 100 people from among a group of 1000 candidates. Which of the following procedures would help him/her accomplish this?
a) Put the names of all 1000 people in a hat, and select 100 of them randomly.
b) Arrange all the people by their names in an alphabetical order, and select the first 100.
c) Arrange all the people by their heights in an ascending order, and select the first 100.
d) Start with a randomly selected individual, and then select every 10th person for inclusion in the sample group.
Question 24:- Which of the following is not a probabilistic sampling design technique?
a) Stratified sampling
b) Quota sampling
c) Cluster sampling
d) Systematic sampling
Question 25:- Which of the following formulae correctly represents the relationship among mean, median and mode for a frequency distribution?
a) Mode = 2 * Mean - 3 * Median
b) Mode = 2 * Median - 3 * Mean
c) Mode = 3 * Mean - 2 * Median
d) Mode + 2 * Mean = 3 * Median
Question 26:- Which of the following is used to describe qualitative (categorical) data?
a) Scatter Plot
b) Histogram
c) Pie Chart
d) Box Plot
Question 27:- A professor needs to select a volunteer for a community support project. Which of the following would NOT be an example of a simple random sample?
a) He chooses a number between 0 and 99. The student whose auto operator license number has the last two digits closest to the one the professor has chosen is selected
b) He chooses that individual whose name is first in alphabetical order
c) He puts all student names in a bowl, mixes them up, and selects one
d) He has each student select a number between 0 and 99 and write it down. He then selects the student whose number is closest to the last two digits of his social security number
Question 28:- What is the major difference in objectives between cluster sampling and stratified sampling?
a) The main objective of cluster sampling is to increase precision whereas the main objective of stratified sampling is to reduce costs by increasing sampling efficiency.
b) The main objective of cluster sampling is to reduce costs by increasing sampling efficiency whereas the main objective of stratified sampling is to increase precision.
c) There is no difference in objectives between cluster sampling and stratified sampling. Both sampling techniques are aimed at reducing costs by increasing sampling efficiency.
d) There is no difference in objectives between cluster sampling and stratified sampling. Both sampling techniques are aimed at increasing precision.
Question 29:- When testing a hypothesis, if the consequence of rejecting the Null Hypothesis is very serious, what should be done?
a) Conduct the test using a very small level of significance
b) Insist that the P-value be smaller than the level of significance
c) Conduct the test using a very large level of significance
d) Insist that the level of significance be smaller than the P-value
Question 30:- What is snowball sampling?
a) It is a non-probability sampling technique in which the initial group of respondents is chosen randomly, and subsequent respondents are selected based on referrals provided by the initial respondents
b) It is a non-probability sampling technique in which the initial group of respondents is nominated by the researcher , and subsequent respondents are selected based on referrals provided by the initial respondents
c) It is a probability sampling technique in which the initial group of respondents is nominated by the researcher , and subsequent respondents are selected based on referrals provided by the initial respondents
d) It is a probability sampling technique in which the initial group of respondents is chosen randomly, and subsequent respondents are selected based on referrals provided by the initial respondents
