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What does the median tell you about the distribution of a set of data?
the midpoint of the data set
What Do You Call A Data Set With Two Modes?
A bimodal distribution.
What is the convenient scale and interval to use for graphing each set of data set?
What is the convenient scale and interval to use for graphing each set of data set?
When can a set of data have no mode?
When each value occurs only once in the data set.
This shows how the data set as a whole is spread around the mean?
A frequency distribution plot.
How Do You describe the shape of a data set?
You describe the shape, not of the data set, but of its density function.You describe the shape, not of the data set, but of its density function.You describe the shape, not of the data set, but of its density function.You describe the shape, not of the data set, but of its density function.
What is a normal data set?
A normal data set is a set of observations from a Gaussian distribution, which is also called the Normal distribution.
How can you describe what is typical about the distribution of a set of data?
The answer will depend on the set of data!
What does the median tell you about the distribution of a set of data?
the midpoint of the data set
What is the mean of the sampling distribution of the sample mean?
Frequently it's impossible or impractical to test the entire universe of data to determine probabilities. So we test a small sub-set of the universal database and we call that the sample. Then using that sub-set of data we calculate its distribution, which is called the sample distribution. Normally we find the sample distribution has a bell shape, which we actually call the "normal distribution." When the data reflect the normal distribution of a sample, we call it the Student's t distribution to distinguish it from the normal distribution of a universe of data. The Student's t distribution is useful because with it and the small number of data we test, we can infer the probability distribution of the entire universal data set with some degree of confidence.
What is the sampling distribution of sample means and why is it useful?
Frequently it's impossible or impractical to test the entire universe of data to determine probabilities. So we test a small sub-set of the universal database and we call that the sample. Then using that sub-set of data we calculate its distribution, which is called the sample distribution. Normally we find the sample distribution has a bell shape, which we actually call the "normal distribution." When the data reflect the normal distribution of a sample, we call it the Student's t distribution to distinguish it from the normal distribution of a universe of data. The Student's t distribution is useful because with it and the small number of data we test, we can infer the probability distribution of the entire universal data set with some degree of confidence.
What is a frequency distribution for a set of data?
anonymously
What is data distributed?
xz
What does the normal allow you to measure?
The normal distribution allows you to measure the distribution of a set of data points. It helps to determine the average (mean) of the data and how spread out the data is (standard deviation). By using the normal distribution, you can make predictions about the likelihood of certain values occurring within the data set.
What measure tells something about the distribution of a data set?
range
What Do You Call A Data Set With Two Modes?
A bimodal distribution.
What type of distribution of a set of data that shows nearly the same frequency for all values?
The Uniform Distribution.
