Deck 12: Sampling Techniques and Data Analysis

Question 1

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

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

Answer 1

Both a and b

Question 2

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

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

Answer 2

Area Sample

Question 3

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?

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

Answer 3

30

Question 4

A sample study is a study of

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

Question 5

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

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

Question 6

Which of the following is the example of random sampling techniques?

A)Taking the name of every person in a telephone book
B)Generating a list of numbers by picking numbers out of a hat and matching these numbers to names in the telephone book
C)Taking every tenth or twentieth name from a list of everybody in the telephone book
D)All of the above

Question 7

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

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

Question 8

What are the types of Random or probability sampling?

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

Question 9

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.

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

Question 10

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

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

Question 11

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

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

Question 12

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

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

Question 13

Which type of sampling Mr. Weber use to draw a sample that is not biased?

A)Non-probability
B)Concurrent
C)Random
D)None of the above

Question 14

Which of the following is not likely to be used to stratify a sample for a study investigating the use of a computerised algebra program?

A)Gender
B)Ethnicity
C)Socio-economic status
D)Number of siblings in the home

Question 15

Which of the following is not a random sampling technique?

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

Question 16

Which analysis is related with descriptive analysis?

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

Question 17

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

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

Question 18

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?

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

Question 19

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

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

Question 20

Which is type of frequency distribution?

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

Question 21

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

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

Question 22

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

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

Question 23

In which analysis, when there is a single measurement of each of the n sample objects or where there are several measurements of each of the n observations but each variable is analysed in isolation?

A)Univariate Analysi
B)Bivariate Analysis
C)Multivariate Analysis
D)None of these

Question 24

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

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