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Which descriptive statistics are appropriate for qualitative variables and what are appropriate for quantitative variables and why?
For qualitative variables, appropriate descriptive statistics include frequencies and proportions, as they help summarize categorical data and show the distribution of different categories. For quantitative variables, measures such as mean, median, mode, range, variance, and standard deviation are suitable because they provide insights into the central tendency, spread, and overall distribution of numerical data. The choice of statistics depends on the nature of the data: qualitative data is categorical and non-numeric, while quantitative data is numeric and can be measured.
Which is the most stable measure of central tendency?
Stability means that there will be less variation between random samples drawn on the same population. With categorical data, you may not have a choice, the mode is the only measure of central tendency that will be meaningful. With measureable, numerical data, the mean may be the only meaningful measure of central tendency, even though the median may show less variation. Some data may be assumed to have a skewed distribution, such as the price of homes, or incomes. The more stable and meaningful value for skewed distributions is the median, as a few high numbers can have a large impact on the estimate. See related links. You can find more information on central tendency by doing a search on the internet.
What are the advantages and disadvantages of measures of central tendency?
One advantage to using central tendency is the fact that is represents all data. A disadvantage to using central tendency is the fact that extremes can skew the data.
Which statements accurately describes the measures of central tendency?
"Measures of central tendency are statistical measures." is an accurate statement.
Which measure of central tendency will the sum of the deviations always be zero?
For which measure of central tendency will the sum of the deviations always be zero?
What measure of central tendency can be used for both numerical and categorical variables?
Mode.
Which measure of central tendency can be used for both numerical and categorical variables?
mean
Which measure of central tendency can be used for both numerical and categorical vari?
mode
Is correlation a measure of central tendency?
No, correlation is not a measure of central tendency. It is a statistical measure that describes the strength and direction of a relationship between two variables. Measures of central tendency, such as mean, median, and mode, summarize data by identifying a central point within a dataset. In contrast, correlation focuses on how two variables move in relation to each other.
Which descriptive statistics are appropriate for qualitative variables and what are appropriate for quantitative variables and why?
For qualitative variables, appropriate descriptive statistics include frequencies and proportions, as they help summarize categorical data and show the distribution of different categories. For quantitative variables, measures such as mean, median, mode, range, variance, and standard deviation are suitable because they provide insights into the central tendency, spread, and overall distribution of numerical data. The choice of statistics depends on the nature of the data: qualitative data is categorical and non-numeric, while quantitative data is numeric and can be measured.
When is finding the average not useful?
There is no meaningful average wen data are categorical (qualitative). Also, the arithmetic mean is not a good measure of central tendency when the data distribution is skewed.
When is mode the better measure?
The mode is the better measure of central tendency when dealing with categorical data, where we want to identify the most common category. It is also useful in skewed distributions or when there are outliers, as it is not affected by extreme values. Additionally, the mode can be the only measure of central tendency applicable for nominal data, where mean and median cannot be computed.
Advantages of measures of central tendency?
Benefits of Central Tendency
What are the merits and demerits of the measures of central tendency?
easures of central tendency
Why is it being called central tendency?
It is called central tendency because it represents the averages. Central tendency has three measurements: # Mean # Mode # Median
What are the importances of Central Tendency?
Central tendency is important because it is used to calculate an average on a collection of data. Central Tendency includes the mean, median, and mode.
What does the word central tendency mean in math?
"Central tendency" is a phrase comprising TWO words, it is not a word. Central tendency refers to the tendency of some data sets to collect around their middle value.
