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WorksheetsIntroduction to statistics
Total questions: 21
Worksheet time: 10mins
How are you feeling this today?
So-so
Good!
Energized & ready!
Tired & sleepy :(
The investment in the cable sector reached RM4.85 billion in Malaysia during 2019.
Descriptive statistics
Inferential statistics
Identifying the colors of different marbles as red, blue, or green is an example of the _________ level of measurement
ordinal
ratio
nominal
interval
The _______ level of measurement allows for the classification of data into distinct categories that can be ordered, but does not provide information about the magnitude of differences between the categories.
ordinal
nominal
interval
ratio
The type of music a person prefers would be an example of a _______variable.
discrete
quantitative
qualitative
continuous
A _______ variable can take any value within a given range.
discrete
continuous
qualitative
nominal
"What is the total number of years this business has been serving customers?" The answer for the question is an example of a _______ variable.
cluster
quantitative
qualitative
ratio
A _______ sampling done by selecting groups of sampling rather than an individual unit.
stratified
cluster
simple random sampling
systematic
"A population is divided into subgroups. Elements in each subgroup are homogeneous. Sample subjects are selected randomly from each subgroup." The statements describe a ______ sampling
Stratified
cluster
quota
conveniece
When a study is conducted on all the elements in population, it is known as ______.
sample survey
census
sample
sampling frame
The attribute that can vary among individuals in a studied group is known as a ________.
population
data set
characteristic
variable
Identify the population:
A survey of 500 adults in the U.S. found that 54% drink coffee daily.
A. Collection of the 500 adults surveyed
B. All of adults in the U.S.
C. 54%
D. 500
Telephone interviews is a set of questionnaire are prepared on paper and are given to respondent to be answered.
True
False
What is sampling frame?
A survey involving getting data from the whole population
Lists the items from which the sample can be obtained
Getting data from a sample of the population
The complete set of the items that are of interest in the research
Non-random sampling methods are used when generalization concerning the population is not required or when sampling frame are difficult to obtain.
True
False
Statistics is a group of methods to collect, organize, analyze, present and ___________ data.
spread
promote
interpret
discover
Summary measure of a sample is called statistic
True
False
Examples of a qualitative variable EXCEPT:
Marital Status
Hair colour
Distance from hostel to class
Level of happiness
Examples of quantitative discrete variable EXCEPT:
Number of movie tickets bought
Number of vaccine doses received
Speed of vehicles in road
Shoe size
Postal code (e.g. 94300 for Kota Samarahan) is an example of:
Quantitative discrete variable
Quantitative continuous variable
Qualitative variable
Element
Advantages of pilot study EXCEPT:
A researcher can identify or refine a research question and figure out what methods are best pursuing it.
A researcher can estimate how much time and resources will be necessary to complete the larger version.
A researcher will need to bear the cost of implementing this time consuming survey.
A researcher can identify and resolve as many potential problems or issues as possible.
