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What is The actual numerical value assigned to nominal level variable?
The whole point of a nominal variable is that is has no numerical value associated with it. With a binary measure you can allocated the values 1 and 0 or +1 and -1 for observations where the attribute is present or absent. If there are more than 2 values that the nominal variable can take then you can allocate any numbers that you want but in all cases the numbers do not have a value: they are simply symbols which can help for sorting and for binary comparisons.
What is nominal value?
A nominal number names something-a telephone number, a player on a team. Nominal numbers do not show quantity or rank. They are used only to identify something.Here are some examples using nominal numbers:jersey number 4zip code 02116
What are nominal values?
Nominal values are the values that a component is specified to be. For example, the nominal value of a 10K resistor is 10K. Its actual value may vary, though, based on its tolerance.
What is the difference between Nominal ordinal and interval ratio?
intervals in degrees, nominal gender, ratio speed, ordinal grading
What is true size?
it is the nominal size?
The only measure of central tendency that can be found for nominal data is the?
mode
Which is the most accurate of mode mean median and range?
Accuracy depends on what you are trying to measure.As a measure of central tendency, the range is totally useless because it is not a measure of central tendency. As a measure of spread (dispersion), it is the most accurate because it is the only one that measures spread: the other threee are totally useless.With nominal data, the median and mean are not defined and so cannot be accurate.And so on.Accuracy depends on what you are trying to measure.As a measure of central tendency, the range is totally useless because it is not a measure of central tendency. As a measure of spread (dispersion), it is the most accurate because it is the only one that measures spread: the other threee are totally useless.With nominal data, the median and mean are not defined and so cannot be accurate.And so on.Accuracy depends on what you are trying to measure.As a measure of central tendency, the range is totally useless because it is not a measure of central tendency. As a measure of spread (dispersion), it is the most accurate because it is the only one that measures spread: the other threee are totally useless.With nominal data, the median and mean are not defined and so cannot be accurate.And so on.Accuracy depends on what you are trying to measure.As a measure of central tendency, the range is totally useless because it is not a measure of central tendency. As a measure of spread (dispersion), it is the most accurate because it is the only one that measures spread: the other threee are totally useless.With nominal data, the median and mean are not defined and so cannot be accurate.And so on.
What is the best measure of central tendency?
There is no universal best. The mode is sometimes mentioned as a measure of central tendency but it is not really one. For example, if studying rolls of a die, the mode has nothing whatsoever to do with central tendency. However, it is the only summary measure that makes sense when the observed variable is nominal or categoric. For example, if the data are about the colours of cars, the mean or median colour makes no sense. The mean and median have advantages over the other in different circumstances. The Central Limit Theorem and Normal approximation favour the mean but the unrestricted mean is vulnerable to outliers.
How do you measure nominal pipe size?
Measure the inside diameter and that is your nominal size.
Is length nominal data?
If you are bothering to measure it, it probably is not nominal data in your study.
What are the best measures of central tendency?
It depends on the particular set of numbers. Which is closest to the majority of the numbers.If all are random or completely Different numbers maybe the median?If they are really different, median is the best.If they are close to the same, the mode is better.There is no measurement better than the other, unless the data contains outliers.Mean is the most common, but if the data set contains outliers then consider using median or mode.In ADDITON:Which is better between mean, median and mode also depends on which type of data are we considering. There are basically 3 kinds of data:Nominal Data (qualitative data). For eg, marital status can be married, single, divorced or de facto.Ordinal data = the data are actually ranked, for eg Google is the number 1 search engine and yahoo is the no 2 search engine.Interval (numerical): for example: age, height, length, breadth etc.If we are looking at an interval(numerical) data, we can use any mean, median or mode. Mean is generally the best measure for statistical interference if there are no extreme values. When there are extreme values it is better to use median. Mode is very rarely used.If we are looking at nominal data, we cannot calculate mean. Like in the given example, marital status can be married, single, divorced or de facto. Now look at the following tableStatus FrequencyMarried 40Single 60Divorced 20De facto 10In this case we have to choose mode. The same is applicable for shoe size, waist size etc.If we are looking for an ordinal data, where data are ranked, the best measure of central tendency will be median.Apart from the type of data, nature of investigation in hand also affects which measure should be choose. In such cases, a personal judgment should be applied. An example is, if we are tying to compare how good a class did, in comparison with other classes, the best measure of central tendency would be mean. however, if we are looking inside a class and trying to compare how well we did in our class, median would be the best measure of central tendency. Unless the data is nominal, it is very rare that mode is the best measure of central tendency.
What is the word when you can't remember the names of people?
Lethonomia: a tendency to forget names, or inability to recall the correct name. It's an expression of nominal aphasia. Nominal aphasia or dysnomia, but that applies to words generally, not just names.
How do you remember the word people?
nominal aphasia or dysnomia,but that applies to words generally,not just names.there is not a word for the tendency to forget people,s names.
Why is Real GDP is preferred to nominal GDP as a measure of economic performance?
nominal GDP uses current prices and thus may over- or understate true changes in output.
What is nominal pressure?
Nominal, in this context, refers to the "face value". So in this case it means what the gauge "face" is indicating. Also called gauge pressure. The difference between nominal pressure and actual pressure depends on whether gauge is a calibrated instrument and is indicating the actual pressure.Nominal pressure means rated pressure, that is a nominal pressure rating applied to vehicle parts.Scroll down to related links and look at "Definition of nominal pressure".
Why do economists use real GDP rather than nominal GDP to measure growth?
Real GDP reflects output more accurately than nominal GDP by using constant prices.
How do you measure nominal diameter of deformed bar?
Nominal diameter of deformed bars are specified by standards.Diameter of deformed bar is controlled from test :1. measure the mass w in kg weighted to a precision 0.5 %2. measure the length L in m to a precision 0.5 %The equivalent diameter is nominal diameter of deformed bars and calcolation is by this formula :Diamater = root square of ( 162.13 w / L )
