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It is the collection of methods for planning experiments, obtaining data, and then analysing, interpreting and drawing conclusions based on the data.
It is the collection of methods for planning experiments, obtaining data, and then analysing, interpreting and drawing conclusions based on the data.
It is defined as a science that studies data to be able to make a decision. Hence, it is a tool in decision-making process.
It is defined as a science that studies data to be able to make a decision. Hence, it is a tool in decision-making process.
Trivia: The word ''___'' actually comes from the word '''' - because governments have been involved in the statistical activities, especially the conduct of censuses either for military or taxation purposes. The need for and conduct of census are recorded in the pages of the holy texts. In the Christian bible, particularly the Book of Numbers, God is reported to have instructed Moses to carry out a a census. Another census mentioned in the Bible is the census ordered by Caesar Augustus throughout the entire Roman empire before the birth of Christ.
Trivia: The word ''___'' actually comes from the word '''' - because governments have been involved in the statistical activities, especially the conduct of censuses either for military or taxation purposes. The need for and conduct of census are recorded in the pages of the holy texts. In the Christian bible, particularly the Book of Numbers, God is reported to have instructed Moses to carry out a a census. Another census mentioned in the Bible is the census ordered by Caesar Augustus throughout the entire Roman empire before the birth of Christ.
Statistics enable us to:
Statistics enable us to:
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Are the values that the variables can assume.
Are the values that the variables can assume.
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Is a characteristic that is observable or measurable in every unit of the universe
Is a characteristic that is observable or measurable in every unit of the universe
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Is a set of all possible values of a variable.
Is a set of all possible values of a variable.
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Is a subgroup of a population
Is a subgroup of a population
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Classification of variable, It is Words or codes that represent a class or category, Express a categorical attribute - Gender, Religion. and Marital status.
Classification of variable, It is Words or codes that represent a class or category, Express a categorical attribute - Gender, Religion. and Marital status.
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Classification of variable - Number that represent an amount, Numerical data, sizes are meaningful and answer question such as ''how many'' or ''how much'' - Height, Weight, Household size, Number of registered ears.
Classification of variable - Number that represent an amount, Numerical data, sizes are meaningful and answer question such as ''how many'' or ''how much'' - Height, Weight, Household size, Number of registered ears.
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Quantitative Variables can be classified as - Data that can be counted - number of days, number of siblings, usual number of text messages sent in a day, usual allowance in school.
Quantitative Variables can be classified as - Data that can be counted - number of days, number of siblings, usual number of text messages sent in a day, usual allowance in school.
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Quantitative Variables can be classified as - It can assume all variables between any two specific values like 0.5, 1.2, etc. and data that can be measured. - weight, height, body temperature.
Quantitative Variables can be classified as - It can assume all variables between any two specific values like 0.5, 1.2, etc. and data that can be measured. - weight, height, body temperature.
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This is characterized
by data that consist of
names, labels, or
categories only.
✔ gender
✔ most preferred color
✔ usual sleeping time
✔ civil status
This is characterized by data that consist of names, labels, or categories only. ✔ gender ✔ most preferred color ✔ usual sleeping time ✔ civil status
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This involves data that
arranged in some order, but
difference between data.
✔ happiness index for the day
✔ highest educational attainment
✔ the rankings of tennis player
✔ Academic Excellence Awards
This involves data that arranged in some order, but difference between data. ✔ happiness index for the day ✔ highest educational attainment ✔ the rankings of tennis player ✔ Academic Excellence Awards
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This is the same in ordinal
level, with an additional
property that we can
determine meaningful
amounts of differences
between the data.
✔ body temperature
✔ Intelligence Quotient
This is the same in ordinal level, with an additional property that we can determine meaningful amounts of differences between the data. ✔ body temperature ✔ Intelligence Quotient
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This is interval level modified to
include the inherent zero starting
point.
❖ It possesses a meaningful
absolute, fixed zero pint and
allows all arithmetic operation.
✔ number of siblings
✔ weight
This is interval level modified to include the inherent zero starting point. ❖ It possesses a meaningful absolute, fixed zero pint and allows all arithmetic operation. ✔ number of siblings ✔ weight
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This is done by using chance or random numbers
This is done by using chance or random numbers
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This is done by numbering each subject of the
population and then selecting nth number.
This is done by numbering each subject of the population and then selecting nth number.
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If a population has a distinct groups, it is possible
to divide the population into these groups and to
draw SRS’s from each of the group.
If a population has a distinct groups, it is possible to divide the population into these groups and to draw SRS’s from each of the group.
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This method uses intact groups called clusters.
This method uses intact groups called clusters.
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