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Yes, they are. A uniform distribution is one in which the probability of each outcome is the same and, as a result, the mean and median are the same. A uniform distribution should not be confused with a set of random variables, all with the same distributions - much less the same values!

For example, the median of a Poisson distribution is not the same as its mean. So if you have a number of random variables (RVs), each with the same Poisson distribution, their mean and median will be different. This is true of any set of RVs whose distributions are asymmetric.


And it is very easy to see that the mode need not be the same. The outcome of a single roll of a regular die is the uniform distribution over the numbers {1, 2, 3, 4, 5, 6}. The mean and median are 3.5 but the mode cannot be 3.5 since that is not a value that can ever be observed.

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When you calculate mean is the answer same when the same data is calculated by median?

No. The mean and median are not necessarily the same. They will be the same if the distribution is symmetric but the converse is not necessarily true. That is to say, a distribution does not have to be symmetric for the mean and median to be the same. For example, the mean and median of {1, 1, 5, 6, 12} are both 5 but the distribution is NOT symmetric.


If the mean of a symmetric distribution is 130 which of these values could be the median of the distribution?

If it is a symmetric distribution, the median must be 130.


What is the distribution when the mean median and mode are the same?

The normal distribution.


What is the shape of a distribution when the mean and the median are the same value?

That would provide some evidence that the distribution is symmetric about the mean (or median).


What is the shape of a distribution when the mean and the median are about the same value?

That would provide some evidence that the distribution is symmetric about the mean (or median).


Is the 50th percentile of a distribution the same as the distribution mean?

Mean = average and median = the middle value in an array of all values received. So to answer your question the 50th percentile of a distribution is the same as median.


If the mean of a normally distributed population is 132 what is the median?

132. You're the the one that stated "normal distribution", thus the same.


How are the mode and median the same?

Mean, median, and mode are all equal in a normal distribution.


Are the mean median and the mode the same in a unimodal symmetrical distribution?

No they are not the same in a unimodal symmetrical distribution and they will never be


Are the mean mode median are same in normal distribution?

Yes.


In which situations mean and median are not same?

If there is any skewness in the distribution.


When data class has the same frequency and same distribution symmetric?

When data has the same frequency and the same distribution, it means that the data points are evenly spread across their range, resulting in a uniform pattern. A symmetric distribution indicates that the data is balanced around a central point, such as the mean, with equal amounts of data on either side. Common examples of symmetric distributions include the normal distribution and the uniform distribution. In such cases, the measures of central tendency (mean, median, and mode) will coincide.

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