Question 1

When there is a significant difference between the statistic and parametric values, it means that

Accepted Answer

A)  Sample statistic is representative is representative of the population parameter
B)  Static value is used to approximate parameter
C)  The difference is real
D)  None of the above C

Question 2

Which steps involves in processing operations of data after collection of data?

Accepted Answer

A)  Coding
B)  Classification
C)  Editing
D)  Tabulation C

Question 3

In which Graphical Representation, way of preparing a two-dimensional diagram is in the form of circles?

Accepted Answer

A)  Pie Chart
B)  Histogram
C)  Candle Stick
D)  None of the above A

Question 4

A sample study is a study of

Accepted Answer

A)  Whole population
B)  Only representative items
C)  51 items
D)  None of these

Question 5

Which frequency expresses the number of items in an interval as a proportion or fraction of the total number of items in the data set?

Accepted Answer

A)  Relative frequency
B)  Percentage Frequency
C)  Cumulative frequency
D)  None of the above

Question 6

Which of the following is not a random sampling technique?

Accepted Answer

A)  Purposive sampling
B)  Stratified Sampling
C)  Cluster sampling
D)  Systematic sampling

Question 7

One where measurements are only approximations and are expressed in class intervals ie within certain limits is

Accepted Answer

A)  Continuous Frequency Distribution
B)  Discrete Frequency Distribution
C)  Cumulative Frequency Distribution
D)  All of these Frequency Distribution

Question 8

The process of selecting a number of participants for a study in such a way that they represent the larger group from which they were selected is known as

Accepted Answer

A)  Research Design
B)  Sampling
C)  Data collection
D)  Random assignment

Question 9

Which is type of frequency distribution?

Accepted Answer

A)  Continuous or grouped frequency distribution
B)  Discrete or ungrouped frequency distribution
C)  Cumulative Frequency Distribution
D)  All of the above

Question 10

Among the following methods which is not the non-probability sampling method?

Accepted Answer

A)  Convenient sampling
B)  Quota sampling
C)  Judgement sampling
D)  Systematic sampling

Question 11

Pat Robertson is running for parliament in the General Election. She needs to know the intended choices of the voters and will undertake a survey. All the voters on the Electoral Register in her constituency would be the study's

Accepted Answer

A)  Sample
B)  Dependent variable
C)  Population
D)  Independent variable

Question 12

If the standard error of the population is reduced by 50 per cent, the sample size becomes

Accepted Answer

A)  Double
B)  Increase 6 times
C)  Increase 4 times
D)  None of the above

Question 13

In case the population has a normal distribution, then the sampling distribution of the mean

Accepted Answer

A)  Has a mean equal to the population mean
B)  Has normal distribution
C)  Both a and b
D)  None of these

Question 14

Greg Beck of Quality Market Research tells placement student John to go out and select for personal interview ten men and ten women. Greg is using __________ sampling for this phase of the research.

Accepted Answer

A)  Random
B)  Stratified
C)  Quota
D)  Area

Question 15

Which analysis is related with descriptive analysis?

Accepted Answer

A)  Univariate Analysi
B)  Bivariate Analysis
C)  Multivariate Analysis
D)  All of the above

Question 16

Suppose that a population with N = 200 has µ = 30. What is the mean of the sampling distribution of the mean for sample of size 40?

Accepted Answer

A)  Not possible to determine as this information is inadequate
B)  40
C)  25
D)  30

Question 17

In which of the following sample designs, maps rather than lists or registers are used as the sampling frame?

Accepted Answer

A)  Simple random sample
B)  Cluster sample
C)  Area Sample
D)  none of these

Question 18

If a group of N observations is arranged in ascending or descending order of magnitude, then the middle value is called

Accepted Answer

A)  Mean
B)  Median
C)  Mode
D)  None of these

Question 19

Involves the orderly and systematic representation of numerical data in a form designed to elucidate the problem under consideration

Accepted Answer

A)  Coding
B)  Classification
C)  Editing
D)  Tabulation

Question 20

What are the types of Random or probability sampling?

Accepted Answer

A)  Area sampling and Judgemental sampling
B)  Stratified sampling and Area sampling
C)  Judgemental sampling and Quota sampling
D)  Sequential sampling

Exam 12: Sampling Techniques and Data Analysis