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The characteristic of data that measures the amount that data values vary is called "variability" or "dispersion." Common statistical measures of variability include range, variance, and standard deviation, which quantify how spread out the data points are from the mean. High variability indicates that the data points are widely spread, while low variability suggests that they are clustered closely around the mean.
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What is the number obtained by adding up the data for a given characteristic and dividing the sum?
The number obtained by adding up the data for a given characteristic and dividing the sum is known as the mean or average. It represents a central value of the dataset, providing a measure of central tendency. To calculate it, you sum all the values and then divide by the total number of values in the dataset. This statistic helps to summarize and understand the overall trend in the data.
HOW are quartiles helpful in describing data?
They are a simple measure of the spread of the data, which is not affected by extreme values.
What is the term in statistics for the difference between the smallest and largest values in the data set?
RangeThe term for the difference between the smallest and the largest values in a set of data is called the range. It is probably derived from the idea that the values of the numbers in the data could range anywhere from the lowest to the highest values but not beyond. The range is a measure of how disperse (spread out) the values are but it is not a very powerful measure.
What is a sum of the data values divided by the number of data items is calledthe?
The sum of the data values divided by the number of data items is called the mean or average. It is a measure of central tendency that provides an indication of the typical value within a data set. The mean is calculated by adding all the values together and then dividing by the count of those values.
When working with scientific data the average of a data set is called the?
When working with scientific data, the average of a data set is called the "mean." The mean is calculated by summing all the values in the data set and then dividing by the number of values. It provides a measure of central tendency, helping to summarize the data with a single representative value.
What is the number obtained by adding up the data for a given characteristic and dividing the sum?
The number obtained by adding up the data for a given characteristic and dividing the sum is known as the mean or average. It represents a central value of the dataset, providing a measure of central tendency. To calculate it, you sum all the values and then divide by the total number of values in the dataset. This statistic helps to summarize and understand the overall trend in the data.
Which measure of central tendency equals the sum of the data values in a set divided by the number of data values?
mean
HOW are quartiles helpful in describing data?
They are a simple measure of the spread of the data, which is not affected by extreme values.
What is the term in statistics for the difference between the smallest and largest values in the data set?
RangeThe term for the difference between the smallest and the largest values in a set of data is called the range. It is probably derived from the idea that the values of the numbers in the data could range anywhere from the lowest to the highest values but not beyond. The range is a measure of how disperse (spread out) the values are but it is not a very powerful measure.
What does the measure of central trendency tell us about the data?
In general when you take a sample of values of a random variable you will find that those values lie around some central value that is characteristic of the total population for the random variable. A measure of central tendancy (such as a sample mean, sample mode or sample median) is a statistic which is intended to estimate the central value of the population using the values in the sample in some way.
What is a sum of the data values divided by the number of data items is calledthe?
The sum of the data values divided by the number of data items is called the mean or average. It is a measure of central tendency that provides an indication of the typical value within a data set. The mean is calculated by adding all the values together and then dividing by the count of those values.
What is a measure for a numerical data set summarizes all of its values with a single number?
Center
A value that is typical or representative of the data is referred to as a measure of central location?
No, it is not, values typical of the data are always located at the extremes of all data frequencies.
What characteristic a range has?
A range is a set of data values within a defined interval that spans from the minimum to the maximum value in a dataset. It provides information about the spread or variability of the data.
In mathematics central tendency is the tendency of data values to cluster around some central value. What does a measure of variability tell you about the central tendency of a set of data Explain.?
The measure of variability tells you how close to the central value the data values lie: that is whether the cluster is tightly packed around the central value of spread out over a large range of values.
The measure of location that is the most likely to be influenced by extreme values in the data set is the range?
mean
What is the s d?
Standard deviation (SD) is a measure of the amount of variation or dispersion in a set of values. It quantifies how spread out the values in a data set are from the mean. A larger standard deviation indicates greater variability, while a smaller standard deviation indicates more consistency.
