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What is nominal variable?
A nominal variable is a type of categorical variable that represents distinct categories without any inherent order or ranking. Examples include gender, nationality, or favorite color, where the values serve to label different groups. Since nominal variables do not have a quantitative value, statistical analysis typically involves counting occurrences or determining proportions within each category.
What is the statistical scale of measurement for a persons gender?
It is a nominal scale.
What is the difference between a real variable and a nominal variable?
A real variable is a quantitative measure that can take on a wide range of numerical values, allowing for meaningful mathematical operations such as addition and subtraction; examples include height, weight, and temperature. In contrast, a nominal variable is a categorical measure that represents distinct categories without any inherent order or ranking; examples include gender, nationality, and colors. Essentially, real variables express quantities, while nominal variables classify data into groups.
Is race a categorical variable?
Yes, race is considered a categorical variable because it represents distinct groups or categories based on shared physical, cultural, or social characteristics. Categorical variables can be nominal, where there is no inherent order (e.g., different racial groups), or ordinal, where categories have a meaningful order. In statistical analysis, race is often used to categorize individuals for various studies and comparisons.
What type of variable is gender?
Nominal (categorical), and Dependent (it is measured and accounted for, but a researcher cannot manipulate gender).
What is nominal variable?
A nominal variable is a type of categorical variable that represents distinct categories without any inherent order or ranking. Examples include gender, nationality, or favorite color, where the values serve to label different groups. Since nominal variables do not have a quantitative value, statistical analysis typically involves counting occurrences or determining proportions within each category.
The scale of measurement for the variable eye color is?
Nominal
Is race a nominal variable?
yes
What is the statistical scale of measurement for a persons gender?
It is a nominal scale.
Is the price of an item considered nominal variable?
No. It is a discrete quantitative variable.
Difference between nominal and real variable?
A nominal variable is a variable measured in current dollars (the value of the dollar for the specific period discussed), and a real variable is a variable measured in constant dollars (the value of the dollar for the base period). That is, a real variable adjusts for the effects of inflation.
Are bar and pie charts part of nominal data?
They are part of nominal data if the study is about different kinds of methods for displaying statistical data.
What statistical test do you use for nominal by ordinal data?
Kruskal-Wallis H test.
What Jersey numbers of soccer players is an example of a variable?
nominal
What is nominal line voltage?
'Nominal' means 'named'. So a 'nominal' voltage is the named voltage of a system. For example, when we talk about a 120-V or 240-V system, we are describing their nominal values, not their actual values which can change from moment to moment.
Is a nominal variable a discrete variable?
No. A discrete variable is one that takes discrete numerical values. But a discrete variable can be ordered while a nominal one cannot. Age, in years, is a discrete variable, and you can say that a 10-year old is younger than a 20-year old who is younger than a 40-year old. Favourite fruit would generate a nominal variable but you cannot say that a banana is more than an apple which, in turn, is more than an orange, etc. (Remember, you are talking only of the nominal values of the fruit - not their price or size or nutritional value or any such characteristic.)
What are statistical levels of measurement?
Three basic levels of measurement are nominal, ordinal, and interval/interval-ratio.
